update ci.yml versioning

Author: DininduSenanayake

.github/workflows/ci.yml

@@ -5,13 +5,16 @@ on:
   push:
     branches:
       - main
+
+permissions: 
+  contents: write
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.x
       - run: pip install mkdocs-material