Removed max-parallel option as it did not impact build speed

Signed-off-by: Moritz Friedrich <moritz@matchory.com>

Author: Radiergummi

.github/workflows/docker.yaml

@@ -145,7 +145,6 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 1
       matrix:
         stage:
           - dev