chore: bump actions/setup-python from 7.0.0 to 7.1.0 (#1250)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 7.0.0 to 7.1.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@5fda3b9...6d4fd22)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/run-tck.yml

@@ -53,7 +53,7 @@ jobs:
           path: a2a-tck
           ref: ${{ env.TCK_VERSION }}
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7
         with:
           python-version-file: "a2a-tck/pyproject.toml"
       - name: Install uv and Python dependencies
@@ -149,7 +149,7 @@ jobs:
           path: a2a-tck
           ref: ${{ env.TCK_VERSION_0_3 }}
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7
         with:
           python-version-file: "a2a-tck/pyproject.toml"
       - name: Install uv and Python dependencies