Update target-lexicon requirement in /pyo3-benches

Updates the requirements on [target-lexicon](https://github.com/bytecodealliance/target-lexicon) to permit the latest version.
- [Commits](bytecodealliance/target-lexicon@v0.12.14...v0.13.1)

---
updated-dependencies:
- dependency-name: target-lexicon
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyo3-build-config/Cargo.toml

@@ -14,11 +14,11 @@ rust-version = "1.63"
 [dependencies]
 once_cell = "1"
 python3-dll-a = { version = "0.2.11", optional = true }
-target-lexicon = "0.12.14"
+target-lexicon = "0.13.1"
 
 [build-dependencies]
 python3-dll-a = { version = "0.2.11", optional = true }
-target-lexicon = "0.12.14"
+target-lexicon = "0.13.1"
 
 [features]
 default = []