ci(pipeline): update helm chart publishing process and icon URL

- Modified the GitHub Actions pipeline to change the location of Helm charts.
- Removed unnecessary commands for creating index.yaml and running `helm repo index`.
- Updated the icon URL in Chart.yaml from master branch to main branch.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -139,16 +139,15 @@ jobs:
           repository: emberstack/helm-charts
           token:  ${{ secrets.ES_GITHUB_PAT }}
           path: helm-charts
+          ref: main
 
 
       - name: github - publish - chart
         run: |
-          mkdir -p helm-charts/charts
-          cp .artifacts/helm/sftp-${{env.version}}.tgz  helm-charts/charts
+          mkdir -p helm-charts/repository/sftp
+          cp .artifacts/helm/sftp-${{env.version}}.tgz  helm-charts/repository/sftp
 
           cd helm-charts
-          rm -f index.yaml
-          helm repo index ./
 
           git config user.name "Romeo Dumitrescu"
           git config user.email "5931333+winromulus@users.noreply.github.com"

src/helm/sftp/Chart.yaml

@@ -5,7 +5,7 @@ type: application
 version: 0.1.0
 appVersion: 0.1.0
 
-icon: https://raw.githubusercontent.com/EmberStack/CDN/master/Projects/docker-sftp/openssh.png
+icon: https://raw.githubusercontent.com/emberstack/CDN/main/projects/docker-sftp/openssh.png
 keywords:
 - sftp
 - openssh