Bump actions/setup-python from 5.4.0 to 5.5.0 (#900)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.4.0 to 5.5.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@4237552...8d9ed9a)

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

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

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -24,7 +24,7 @@ jobs:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
     - name: Ubuntu dependencies
       run: scripts/install-doxygen.sh
-    - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+    - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
       with:
         python-version: '3.10'
         cache: 'pip'
@@ -187,7 +187,7 @@ jobs:
     if: ${{ github.ref == 'refs/heads/main' }}
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+    - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
       with:
         python-version: '3.10'
         cache: 'pip'