Bump filelock from 3.20.0 to 3.20.1

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.20.0 to 3.20.1.
- [Release notes](https://github.com/tox-dev/py-filelock/releases)
- [Changelog](https://github.com/tox-dev/filelock/blob/main/docs/changelog.rst)
- [Commits](tox-dev/filelock@3.20.0...3.20.1)

---
updated-dependencies:
- dependency-name: filelock
  dependency-version: 3.20.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

test-requirements.txt

@@ -12,17 +12,19 @@ coverage==7.10.7
     # via pytest-cov
 distlib==0.4.0
     # via virtualenv
+exceptiongroup==1.3.1
+    # via pytest
 execnet==2.1.1
     # via pytest-xdist
-filelock==3.20.0
+filelock==3.20.1
     # via
     #   -r test-requirements.in
     #   virtualenv
 identify==2.6.15
     # via pre-commit
 iniconfig==2.1.0
     # via pytest
-librt==0.7.3 ; platform_python_implementation != 'PyPy'
+librt==0.7.3 ; platform_python_implementation != "PyPy"
     # via -r mypy-requirements.txt
 lxml==6.0.2 ; python_version < "3.15"
     # via -r test-requirements.in
@@ -57,14 +59,21 @@ pytest-xdist==3.8.0
     # via -r test-requirements.in
 pyyaml==6.0.3
     # via pre-commit
-tomli==2.3.0
-    # via -r test-requirements.in
+tomli==2.3.0 ; python_version < "3.11"
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.in
+    #   coverage
+    #   pytest
 types-psutil==7.0.0.20251001
     # via -r build-requirements.txt
 types-setuptools==80.9.0.20250822
     # via -r build-requirements.txt
 typing-extensions==4.15.0
-    # via -r mypy-requirements.txt
+    # via
+    #   -r mypy-requirements.txt
+    #   exceptiongroup
+    #   virtualenv
 virtualenv==20.34.0
     # via pre-commit