🐳 Update Docker image build & push process to use dynamic repository …

…name

Enabling building and pushing Docker images under the individual developer's namespace on GHCR by using dynamic repository naming based on GitHub actor. This improves automation flexibility by allowing each contributor to publish to their own GHCR space.

.github/workflows/ghcr-image-github-publish.yml

@@ -24,7 +24,7 @@ jobs:
               username: ${{github.actor}}
               password: ${{secrets.GITHUB_TOKEN}}
 
-          - name: 'Build Inventory Image'
+          - name: Build Inventory Image
             run: |
-              docker build . ghcr.io/forscht/ddrive:${{ steps.extract-version.outputs.version }}
-              docker push ghcr.io/forscht/ddrive:${{ steps.extract-version.outputs.version }}
+                docker build . ghcr.io/${{github.actor}}/ddrive:${{ steps.extract-version.outputs.version }}
+                docker push ghcr.io/${{github.actor}}/ddrive:${{ steps.extract-version.outputs.version }}