Bump setuptools_rust to match pinned version. (#16605)

changelog.d/16605.misc

@@ -0,0 +1 @@
+Bump setuptools-rust from 1.8.0 to 1.8.1.

pyproject.toml

@@ -381,7 +381,7 @@ furo = ">=2022.12.7,<2024.0.0"
 # system changes.
 # We are happy to raise these upper bounds upon request,
 # provided we check that it's safe to do so (i.e. that CI passes).
-requires = ["poetry-core>=1.1.0,<=1.7.0", "setuptools_rust>=1.3,<=1.8.0"]
+requires = ["poetry-core>=1.1.0,<=1.7.0", "setuptools_rust>=1.3,<=1.8.1"]
 build-backend = "poetry.core.masonry.api"