Disable persisted checkout credentials in e2e workflow (#1115)

* Initial plan

* Disable persisted checkout credentials in e2e set-default job (alert #124)

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Bruno Borges <brborges@microsoft.com>

Author: Copilot

.github/workflows/e2e-versions.yml

@@ -704,6 +704,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v7
+        with:
+          persist-credentials: false
       - name: Setup Java 17 as default
         uses: ./
         id: setup-java-17