Bumped CI/runtime dependencies

.github/workflows/main.yml

@@ -35,18 +35,19 @@ jobs:
 
       # Sets up environment
       - name: Checkout repo code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
 
       - name: Python 3 setup
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.9' # Version range or exact version of a Python version to use, using SemVer's version range syntax
+          python-version: '3.12.4' # Version range or exact version of a Python version to use, using SemVer's version range syntax
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
+		  cache: 'pip' # caching pip dependencies
 
       - name: Cache Texlive
         id: cache-texlive
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-texlive-dependencies
         with: