Bump filelock from 3.19.1 to 3.20.3 in /src/stirling/protocol_inference

Bumps [filelock](https://github.com/tox-dev/py-filelock) from 3.19.1 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@3.19.1...3.20.3)

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

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

Author: dependabot[bot]

src/stirling/protocol_inference/requirements.bazel.txt

@@ -1,8 +1,9 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile --generate-hashes -o src/stirling/protocol_inference/requirements.bazel.txt src/stirling/protocol_inference/requirements.txt
 --extra-index-url https://download.pytorch.org/whl/cpu
-filelock==3.19.1 \
-    --hash=sha256:d38e30481def20772f5baf097c122c3babc4fcdb7e14e57049eb9d88c6dc017d
+filelock==3.20.3 \
+    --hash=sha256:18c57ee915c7ec61cff0ecf7f0f869936c7c30191bb0cf406f1341778d0834e1 \
+    --hash=sha256:4b0dda527ee31078689fc205ec4f1c1bf7d56cf88b6dc9426c4f230e46c2dce1
     # via torch
 fsspec==2025.9.0 \
     --hash=sha256:530dc2a2af60a414a832059574df4a6e10cce927f6f4a78209390fe38955cfb7