GH workflows - docs action - bump python version and pin dependency versions (#3457)

Author: a-TODO-rov

.github/workflows/docs.yml

@@ -15,13 +15,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: '3.13'
+          cache: 'pip'
+          cache-dependency-path: requirements.txt
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install mkdocs mkdocs-material pymdown-extensions mkdocs-macros-plugin
+          pip install -r requirements.txt
       - name: Build docs
         run: |
           mkdocs build -d docsbuild
@@ -33,4 +36,4 @@ jobs:
           path: 'docsbuild'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4

requirements.txt

@@ -0,0 +1,4 @@
+mkdocs~=1.6
+mkdocs-material~=9.5
+pymdown-extensions~=10.8
+mkdocs-macros-plugin~=1.0