build: bump CodSpeedHQ/action from 4.1.1 to 4.2.1 in the actions group

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


Updates `CodSpeedHQ/action` from 4.1.1 to 4.2.1
- [Release notes](https://github.com/codspeedhq/action/releases)
- [Changelog](https://github.com/CodSpeedHQ/action/blob/main/CHANGELOG.md)
- [Commits](CodSpeedHQ/action@6b43a0c...c6574d0)

---
updated-dependencies:
- dependency-name: CodSpeedHQ/action
  dependency-version: 4.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/codspeed.yml

@@ -35,7 +35,7 @@ jobs:
         run: pip install -e .[dev]
 
       - name: Run benchmarks
-        uses: CodSpeedHQ/action@6b43a0cd438f6ca5ad26f9ed03ed159ed2df7da9 #v3
+        uses: CodSpeedHQ/action@c6574d0c2a990bca2842ce9af71549c5bfd7fbe0 #v3
         with:
           token: ${{ secrets.CODSPEED_TOKEN }}
           run: pytest tests/ --codspeed