Update samplomatic requirement from ~=0.20.0 to ~=0.21.0 in /scripts/nb-tester

[dependabot]

Updates the requirements on samplomatic to permit the latest version.

Release notes

Sourced from samplomatic's releases.

0.21.0

Added

• Added the strategy argument to GroupGatesIntoBoxes to determine how to to assign two-qubit gates to boxes, allowing for new strategies like "alap". The default behavior has not changed and corresponds to the "asap" strategy. This can also be specified with the new boxing_strategy argument of generate_boxing_pass_manager. (#380)
• Added support for delay in GroupGatesIntoBoxes, GroupMeasIntoBoxes, and AddTerminalRightDressedBoxes. Added support for reset in GroupGatesIntoBoxes and AddTerminalRightDressedBoxes. (#381)
• Added support for Delay operations with Stretch durations. (#384)
• Added decomposition argument to AddTerminalRightDressedBoxes. (#392)
• Added samplomatic.quantum_program module to store QuantumProgram, QuantumProgramResults, and all the related classes. (#396)

Fixed

• Fixed a crash in generate_boxing_pass_manager when the input circuit contained inline GlobalPhaseGate (or other zero-bit) instructions. The GroupGatesIntoBoxes and GroupMeasIntoBoxes passes now treat zero-qubit standard gates as pass-through and no longer fail on operations with empty qargs and cargs (such as a zero-width barrier). Note that, independently, build() does not and has never preserved QuantumCircuit.global_phase in the template circuit; this expected behavior is now documented in the build() docstring. (#377)
• Fixed samplomatic.visualization.plot_graph() to draw straight lines between nodes when the edge data is missing. Prior to this fix, it used a spline that sometimes ended up curved in strange ways. (#378)
• The decomposition argument now applies to terminal right dressed-boxes in generate_boxing_pass_manager. Previously, it would always use rzsx. (#392)
• When the boxing pass manager encounters an instruction whose name starts with "meas", it treats it as a standard measurement instruction. (#399)
• Named reset instructions, such as "reset_2", are now recognized by the boxing passes and by :class:~.BoxKey. (#400)

Changelog

Sourced from samplomatic's changelog.

0.21.0 - 2026-08-25

Added

• Added the strategy argument to GroupGatesIntoBoxes to determine how to to assign two-qubit gates to boxes, allowing for new strategies like "alap". The default behavior has not changed and corresponds to the "asap" strategy. This can also be specified with the new boxing_strategy argument of generate_boxing_pass_manager. (#380)
• Added support for delay in GroupGatesIntoBoxes, GroupMeasIntoBoxes, and AddTerminalRightDressedBoxes. Added support for reset in GroupGatesIntoBoxes and AddTerminalRightDressedBoxes. (#381)
• Added support for Delay operations with Stretch durations. (#384)
• Added decomposition argument to AddTerminalRightDressedBoxes. (#392)
• Added samplomatic.quantum_program module to store QuantumProgram, QuantumProgramResults, and all the related classes. (#396)

Fixed

• Fixed a crash in generate_boxing_pass_manager when the input circuit contained inline GlobalPhaseGate (or other zero-bit) instructions. The GroupGatesIntoBoxes and GroupMeasIntoBoxes passes now treat zero-qubit standard gates as pass-through and no longer fail on operations with empty qargs and cargs (such as a zero-width barrier). Note that, independently, build() does not and has never preserved QuantumCircuit.global_phase in the template circuit; this expected behavior is now documented in the build() docstring. (#377)
• Fixed samplomatic.visualization.plot_graph() to draw straight lines between nodes when the edge data is missing. Prior to this fix, it used a spline that sometimes ended up curved in strange ways. (#378)
• The decomposition argument now applies to terminal right dressed-boxes in generate_boxing_pass_manager. Previously, it would always use rzsx. (#392)
• When the boxing pass manager encounters an instruction whose name starts with "meas", it treats it as a standard measurement instruction. (#399)
• Named reset instructions, such as "reset_2", are now recognized by the boxing passes and by :class:~.BoxKey. (#400)

0.20.0 - 2026-06-23

Deprecated

• The default value for the inject noise site for the generate_boxing_pass_manager, AddInjectNoise, and InjectNoise has been updated from 'before' to None, which results in a future warning and sets the value to 'before'. In a future release, the default will be updated to 'after'. (#372)

Added

• Added support for propagating Pauli twirls past single-qubit Clifford gates (s, sx, sdg, sxdg, and compositions with h) and through single-qubit rotations (rz, p, rx) at Clifford angles when they appear between entangling gates inside a Twirl box. (#351)

• Exposed three primitives that together let consumers of build() evaluate deterministic template parameters (e.g., RZZ angles) without invoking Samplex.sample:

  • Samplex.param_table — return the underlying ParameterExpressionTable.
  • Samplex.passthrough_params — a tuple (template_idxs, expression_idxs) mapping each passthrough template parameter to its expression-table index.
  • ParameterExpressionTable.evaluate — gained an optional indices argument so callers can evaluate only a chosen subset of the table's expressions.

  (#367)

• Random phases are now applied to qubits after mid-circuit measurement twirling. (#369)

• Added reset twirling. Rather than propagating virtual registers, a reset in a twirl‑annotated box discards them and instead samples and injects a new random phase following the reset. (#371)

Changed

• Twirl emissions are now inserted at the easy-hard boundary of boxes with a Twirl annotation "left" dressing when building.

... (truncated)

Commits

• 0c676fd Add changelog for release 0.21.0 (#404)
• b9d213f Add missing TYPE_CHECKING (#405)
• 49a535a Remove subsystem restrictions on local_pauli (#401)
• c22a8b2 Change default of inject noise site to "after" (#403)
• 85c1866 Fix hyperlink for Tag in docs (#402)
• 87373dc Consider any gate name starting with "reset" as Reset (#400)
• 4b93891 Add QuantumProgram and related classes (#396)
• 22307c1 Add support for named measurements, such as "measure_2" (#399)
• 4872028 Support reset and delay instructions in ALAP boxing strategy (#393)
• 86c9a14 Add decomposition argument to AddTerminalRightDressedBoxes (#392)
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