updating set-output GHA (#13)

* updating set-output GHA

.github/workflows/reusable-docker-build.yaml

@@ -185,7 +185,7 @@ jobs:
           body: |
             Docker image tag(s) pushed:
             ```text
-            ${{ steps.docker_meta.outputs.tags }}
+            ${{ steps.docker_meta.outputs.tags }} 
             ```
 
             Labels added to images:
@@ -198,4 +198,5 @@ jobs:
         id: ghcr-tag
         run: |
           echo '::echo::on'
-          echo "::set-output name=tag::gha-${{ github.run_id }}"
+          # shellcheck disable=SC2086
+          echo "tag=gha-${{ github.run_id }}" >> $GITHUB_OUTPUT