Bump CodSpeedHQ/action from 3.8.1 to 4.0.0 in the actions group

Bumps the actions group with 1 update: [CodSpeedHQ/action](https://github.com/codspeedhq/action).


Updates `CodSpeedHQ/action` from 3.8.1 to 4.0.0
- [Release notes](https://github.com/codspeedhq/action/releases)
- [Changelog](https://github.com/CodSpeedHQ/action/blob/main/CHANGELOG.md)
- [Commits](CodSpeedHQ/action@v3.8.1...v4.0.0)

---
updated-dependencies:
- dependency-name: CodSpeedHQ/action
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -68,7 +68,7 @@ jobs:
       - run: |
           export UV_PROJECT_ENVIRONMENT="${pythonLocation}"
           uv sync --extra test --locked
-      - uses: CodSpeedHQ/action@v3.8.1
+      - uses: CodSpeedHQ/action@v4.0.0
         with:
           token: ${{ secrets.CODSPEED_TOKEN }}
           # allow updating snapshots due to indeterministic benchmarks