Use GITHUB_TOKEN for testing instead of OIDC

Author: frank-spano

.github/workflows/update-kubernetes-versions.yml

@@ -20,20 +20,12 @@ jobs:
     name: Check for new Kubernetes version
     runs-on: ubuntu-latest
     permissions:
-      id-token: write # Required for OIDC token from GitHub
-    environment:
-      name: main
+      contents: write # For creating branches and commits
+      pull-requests: write # For creating PRs
     steps:
-      - uses: DataDog/dd-octo-sts-action@acaa02eee7e3bb0839e4272dacb37b8f3b58ba80 # v1.0.3
-        id: octo-sts
-        with:
-          scope: DataDog/datadog-agent
-          policy: self.update-kubernetes-versions.create-pr
-
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           persist-credentials: true
-          token: ${{ steps.octo-sts.outputs.token }}
 
       - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
@@ -60,8 +52,6 @@ jobs:
         with:
           commit-message: "chore(e2e): add new Kubernetes version to e2e tests"
           branch: update-k8s-versions-${{ github.run_id }}-${{ github.run_attempt }}
-          token: ${{ steps.octo-sts.outputs.token }}
-          sign-commits: true
           title: "[automated] Add new Kubernetes version to e2e tests"
           body: |
             ### What does this PR do?