Bump pytest from 8.4.1 to 9.0.3 (#47)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -37,7 +37,7 @@ setuptools = [
 dev = [
     "plux[hatchling,setuptools]",
     "build",
-    "pytest==8.4.1",
+    "pytest==9.0.3",
     "ruff==0.9.1",
     "mypy",
 ]