Bump filelock from 3.13.1 to 3.20.3 in /requirements

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.13.1 to 3.20.3.
- [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@3.13.1...3.20.3)

---
updated-dependencies:
- dependency-name: filelock
  dependency-version: 3.20.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/dev_3.11.txt

@@ -109,7 +109,7 @@ fastjsonschema==2.19.1
     # via
     #   nbformat
     #   validate-pyproject
-filelock==3.13.1
+filelock==3.20.3
     # via
     #   torch
     #   tox

requirements/main_3.11.txt

@@ -44,7 +44,7 @@ docrep==0.3.2
     # via scvi-tools
 etils==1.6.0
     # via orbax-checkpoint
-filelock==3.13.1
+filelock==3.20.3
     # via torch
 flax==0.7.5
     # via scvi-tools