Never pull image when running tests

We want to make sure we actually the test the image that was build and
loaded in the previous step, and not some old images being pulled.

Author: arnested

.github/workflows/push.yml

@@ -59,4 +59,4 @@ jobs:
       - name: Test PHP ${{ matrix.php }}
         run: |
           # Sleep a bit to ensure that PHP-FPM has time to start up.
-          GOSS_SLEEP=15 dgoss run -e GOSS_VARS_INLINE='php_version: "${{ matrix.php }}"' ghcr.io/${{ github.repository }}:${{ matrix.php }}
+          GOSS_SLEEP=15 dgoss run --pull=never -e GOSS_VARS_INLINE='php_version: "${{ matrix.php }}"' ghcr.io/${{ github.repository }}:${{ matrix.php }}