updated github actions - Adithya S K

.github/workflows/deploy-mkdocs.yml

@@ -4,7 +4,8 @@ on:
   push:
     branches:
       - main  # Set this to your default branch name
-
+permissions:
+  contents: write
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -13,6 +14,10 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
+      - uses: actions/cache@v2
+        with:
+          key: ${{ github.ref }}
+          path: .cache
       - run: pip install mkdocs-material
       - run: pip install mkdocs-jupyter
       - run: pip install mkdocs-exclude