style: fix formatting

.github/workflows/private_registery_push.yml

@@ -3,31 +3,27 @@ name: 'create docker image on pull request and push to private registery'
 on:
   pull_request:
     branches:
-    - develop
+      - develop
   workflow_dispatch:
 
 jobs:
   build-image:
     runs-on: self-hosted
     steps:
-      -
-        name: Checkout
+      - name: Checkout
         uses: actions/checkout@v2
 
-      - 
-        name: Set up Docker Buildx
+      - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
-      -
-        name: Login to private registery
+      - name: Login to private registery
         uses: docker/login-action@v2.0.0
         with:
           registry: ${{ secrets.REGISTRY_URL }}
           username: ${{ secrets.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      -
-        name: Build and push
+      - name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: ./