build(deps): bump filelock from 3.20.0 to 3.20.3 in /tests/http

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.20.0 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@3.20.0...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]

tests/http/requirements.txt

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: curl
 
 cryptography==46.0.3
-filelock==3.20.0
+filelock==3.20.3
 psutil==7.1.2
 pytest==8.4.2
 pytest-xdist==3.8.0