Fix workflows to satisfy workflow linter

* Update build-public-image.yml

* Update delete-public-image.yml

.github/workflows/build-public-image.yml

@@ -75,4 +75,4 @@ jobs:
             Image published at public.ecr.aws/provectus/kafka-ui-custom-build:${{ steps.extract_branch.outputs.tag }}
 
     outputs:
-      tag: ${{ steps.extract_branch.outputs.tag }}
+      tag: ${{ steps.extract_branch.outputs.tag }}

.github/workflows/delete-public-image.yml

@@ -37,4 +37,4 @@ jobs:
         with:
           issue-number: ${{ github.event.pull_request.number }}
           body: |
-            Image tag public.ecr.aws/provectus/kafka-ui-custom-build:${{ steps.extract_branch.outputs.tag }} has been removed
+            Image tag public.ecr.aws/provectus/kafka-ui-custom-build:${{ steps.extract_branch.outputs.tag }} has been removed