Merge remote-tracking branch 'upstream/2.5' into 2.6

Author: daschuer

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Setup Graphviz
       run: sudo apt update && sudo apt install -y graphviz
     - name: Setup Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.10'
     - name: Install Python dependencies
@@ -62,7 +62,7 @@ jobs:
         latexmk
         xindy
     - name: Setup Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.10'
     - name: Install Python dependencies

.github/workflows/changelog.yml

@@ -25,7 +25,7 @@ jobs:
       with:
         ref: ${{ github.event.client_payload.branch }}
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.13
     - name: Install Python dependencies

.github/workflows/sphinx.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Clone repository
       uses: actions/checkout@v7
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.13'
     - name: Install Python dependencies
@@ -35,7 +35,7 @@ jobs:
     - name: Set up Graphviz
       run: sudo apt update && sudo apt install -y graphviz
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.13'
     - name: Install Python dependencies