use CI user for deployment

.gitea/workflows/build-and-publish.yaml

@@ -31,8 +31,8 @@ jobs:
         uses: docker/login-action@v3
         with:
           registry: ${{ github.server_url }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.CI_USER }}
+          password: ${{ secrets.CI_PASSWORD }}
           
       - name: Tag and Push Docker Image
         run: |
@@ -62,7 +62,7 @@ jobs:
           VERSION=${{ github.run_number }}
           CHART_FILE=${{ env.CHART_NAME }}-${VERSION}.tgz
           
-          curl -f --user "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}" \
+          curl -f --user "${{ secrets.CI_USER }}:${{ secrets.CI_PASSWORD }}" \
                -X POST \
                --upload-file ./$CHART_FILE \
                "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/helm/api/charts"