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: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -12,17 +12,21 @@ build==1.3.0
     #   pip-tools
 certifi==2025.11.12
     # via requests
+cffi==2.0.0
+    # via cryptography
 cfgv==3.5.0
     # via pre-commit
 charset-normalizer==3.4.4
     # via requests
 click==8.3.1
     # via pip-tools
+cryptography==46.0.3
+    # via secretstorage
 distlib==0.4.0
     # via virtualenv
 docutils==0.22.3
     # via readme-renderer
-filelock==3.20.0
+filelock==3.20.1
     # via virtualenv
 id==1.5.0
     # via twine
@@ -38,6 +42,10 @@ jaraco-context==6.0.1
     # via keyring
 jaraco-functools==4.3.0
     # via keyring
+jeepney==0.9.0
+    # via
+    #   keyring
+    #   secretstorage
 keyring==25.7.0
     # via twine
 markdown-it-py==4.0.0
@@ -65,6 +73,8 @@ pluggy==1.6.0
     # via pytest
 pre-commit==4.5.0
     # via -r requirements-dev.in
+pycparser==2.23
+    # via cffi
 pygments==2.19.2
     # via
     #   pytest
@@ -92,6 +102,8 @@ rfc3986==2.0.0
     # via twine
 rich==14.2.0
     # via twine
+secretstorage==3.5.0
+    # via keyring
 twine==6.2.0
     # via -r requirements-dev.in
 urllib3==2.6.1