Don't persist credentials longer than necessary in GitHub actions

Author: robtimus

.github/workflows/build.yml

@@ -26,6 +26,8 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v5
+ with:
+ persist-credentials: false
  - name: Set up PHP 7.4
  uses: shivammathur/setup-php@v2
  with:
@@ -54,6 +56,8 @@ jobs:
  fail-fast: false
  steps:
  - uses: actions/checkout@v5
+ with:
+ persist-credentials: false
  - uses: shivammathur/setup-php@v2
  with:
  php-version: ${{matrix.php}}
@@ -82,6 +86,7 @@ jobs:
  steps:
  - uses: actions/checkout@v5
  with:
+ persist-credentials: false
  fetch-depth: 0
  - name: Rebase PHP8 branch
  env: