fix command line option to --chart-dirs

.github/workflows/pr-helm-chart-testing.yml

@@ -39,20 +39,20 @@ jobs:
     - name: Run chart-testing (list-changed)
       id: list-changed
       run: |
-        changed=$(ct list-changed  --charts ./deployment/helm --target-branch ${{ github.event.repository.default_branch }})
+        changed=$(ct list-changed --chart-dirs ./deployment/helm --target-branch ${{ github.event.repository.default_branch }})
         if [[ -n "$changed" ]]; then
           echo "changed=true" >> "$GITHUB_OUTPUT"
         fi
 
     - name: Run chart-testing (lint)
       if: steps.list-changed.outputs.changed == 'true'
-      run: ct lint --charts ./deployment/helm --target-branch ${{ github.event.repository.default_branch }}
+      run: ct lint --chart-dirs ./deployment/helm --target-branch ${{ github.event.repository.default_branch }}
 
     - name: Create kind cluster
       if: steps.list-changed.outputs.changed == 'true'
       uses: helm/[email protected]
 
     - name: Run chart-testing (install)
       if: steps.list-changed.outputs.changed == 'true'
-      run: ct install --charts ./deployment/helm --target-branch ${{ github.event.repository.default_branch }}
+      run: ct install --chart-dirs ./deployment/helm --target-branch ${{ github.event.repository.default_branch }}