Update test_docs.yml

Author: ArjunSharda

.github/workflows/test_docs.yml

@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.7'
           architecture: 'x64'