feat: enable FIPS mode

[shorim]

Description

Changes proposed in this pull request (what was done and why):

• Enable FIPS mode when building the telemetry-manager binary and during its runtime
• Enable FIPS mode when building the self-monitor binary and during its runtime
• If the flag is-restricted-market set to true, then enable FIPS mode for the OTel collectors. Otherwise, disabled the FIPS mode for the OTel collectors.
• For the existing metric telemetry_build_info, add a label called fips_mode_enabled which will be "true" if the FIPS mode is enabled and it will be "false" otherwise
• On the startup of the telemetry manager, a log is generated indicating if the FIPS mode is enabled:

{"level":"INFO","timestamp":"2025-10-15T12:36:16Z","logger":"setup","caller":"telemetry-manager-workspace/main.go:278","message":"Starting Telemetry Manager","Build info:":{"fips_mode_enabled":"true","git_commit":"unknown","git_tag":"1.6.0-1461-g0e9d1bf8","git_tree_state":"modified","go_version":"go1.25.3"}}

Changes refer to particular issues, PRs or documents:

• Use FIPS compliant images #2123

Traceability

• The PR is linked to a GitHub issue.
• The follow-up issues (if any) are linked in the Related Issues section.
• If the change is user-facing, the documentation has been adjusted.
• If a CRD is changed, the corresponding Busola ConfigMap has been adjusted.
• The feature is unit-tested.
• The feature is e2e-tested.