fix(github): add persist-credentials: false to workflow templates (#8202)

github/README.md

@@ -81,12 +81,13 @@ This will walk you through installing the GitHub app, creating the workflow, and
        permissions:
          id-token: write
        steps:
-         - name: Checkout repository
-           uses: actions/checkout@v6
-           with:
-             fetch-depth: 1
+          - name: Checkout repository
+            uses: actions/checkout@v6
+            with:
+              fetch-depth: 1
+              persist-credentials: false
 
-         - name: Run opencode
+          - name: Run opencode
            uses: anomalyco/opencode/github@latest
            env:
              ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}