Update automation script to pull and rebase

.github/workflows/oas-to-sdk-pr.yaml

@@ -25,7 +25,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '>=19.9.0'
+          node-version: ">=19.9.0"
 
       - name: Update OAS submodule and package version in nodejs-sdk
         run: |
@@ -82,6 +82,9 @@ jobs:
           git add package.json
           git commit -m "Update package.json version to $SDK_VERSION"
 
+          # Pull and rebase
+          git pull --rebase
+
           # Push changes
           git push origin HEAD:"$BRANCH_NAME"
         shell: bash