fix(ci): Remove duplicate runs-on use in auth.yml

Author: ncooke3

.github/workflows/auth.yml

@@ -148,7 +148,6 @@ jobs:
     needs: pod_lib_lint
     env:
       plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
-    runs-on: macos-14
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1