feat: disable arm build for now to reduce build times

Author: dervoeti

.github/workflows/build_push_dev.yml

@@ -46,7 +46,7 @@ jobs:
         with:
           context: .
           file: ./docker/backend/prod/django/Dockerfile
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           tags: oci.stackable.tech/stackable/secobserve-backend:dev
           build-args: |
@@ -93,7 +93,7 @@ jobs:
         with:
           context: .
           file: ./docker/frontend/prod/Dockerfile
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           tags: oci.stackable.tech/stackable/secobserve-frontend:dev
           build-args: |