fix: narrow down Dockerfile drift detection

TICKET: VL-3710

Author: louib

.github/workflows/ci.yml

@@ -363,8 +363,8 @@ jobs:
       - name: Check Dockerfile is up to date
         run: |
           yarn update-dockerfile
-          if ! git diff --quiet; then
+          if ! git diff --quiet -- . ':!yarn.lock'; then
             echo "Dockerfile is not up to date. Please run 'yarn update-dockerfile' and commit the changes."
-            git diff
+            git diff -- . ':!yarn.lock'
             exit 1
           fi