ci(pipeline): add artifacthub directory creation step

- Creates a new directory for storing artifacthub configuration files.
- Adds a command to install the artifacthub repository configuration in the specified location.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -170,6 +170,7 @@ jobs:
         run: |
           mkdir -p .artifacts/helm
           mkdir -p .artifacts/kubectl
+          mkdir -p .artifacts/artifacthub
 
       - name: helm - import README
         run: cp README.md ${{ env.helmChartDir }}/README.md
@@ -180,6 +181,9 @@ jobs:
       - name: helm - template chart
         run: helm template --namespace kube-system ${{ env.helmChart }} .artifacts/helm/${{ env.helmChart }}-${{ env.gitVersion_SemVer }}.tgz > .artifacts/kubectl/${{ env.helmChart }}.yaml
 
+      - name: helm - artifacthub - repo
+        run: install -D src/helm/artifacthub-repo.yaml .artifacts/artifacthub/artifacthub-repo.yaml
+
       - name: docker - build and push
         uses: docker/build-push-action@v5
         with: