Bump actions/setup-python from 5.4.0 to 5.5.0 in the actions group

Bumps the actions group with 1 update: [actions/setup-python](https://github.com/actions/setup-python).


Updates `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-version: 5.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/ci_crontests.yml

@@ -40,7 +40,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies

.github/workflows/ci_devtests.yml

@@ -48,7 +48,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies

.github/workflows/ci_online_crontests.yml

@@ -42,7 +42,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies

.github/workflows/ci_tests.yml

@@ -67,7 +67,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: ${{ matrix.python }}
     - name: Install Python dependencies
@@ -89,7 +89,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38  # v5.4.0
+      uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55  # v5.5.0
       with:
         python-version: "3.9"
     - name: Run egg_info