Build/Test Tools: Add some missing permissions to the legacy GitHub Actions workflows that are used by older branches.

These permissions are not required for a public repo but are required for a private repo, for example a private fork.

Follow-up to [60612].

See #63170

git-svn-id: https://develop.svn.wordpress.org/trunk@60801 602fd350-edb4-49c9-b593-d223f7449a82

Author: johnbillion

.github/workflows/reusable-phpunit-tests-v1.yml

@@ -87,6 +87,8 @@ jobs:
     name: PHP ${{ inputs.php }} / ${{ inputs.multisite && ' Multisite' || 'Single site' }}${{ inputs.split_slow && ' slow tests' || '' }}${{ inputs.memcached && ' with memcached' || '' }}
     runs-on: ${{ inputs.os }}
     timeout-minutes: 20
+    permissions:
+      contents: read
 
     steps:
       - name: Configure environment variables

.github/workflows/reusable-phpunit-tests-v2.yml

@@ -89,6 +89,8 @@ jobs:
     name: PHP ${{ inputs.php }} / ${{ inputs.multisite && ' Multisite' || 'Single Site' }}${{ inputs.split_slow && ' slow tests' || '' }}${{ inputs.memcached && ' with memcached' || '' }}
     runs-on: ${{ inputs.os }}
     timeout-minutes: 20
+    permissions:
+      contents: read
 
     steps:
       - name: Configure environment variables