Fix GHA's release workflow (#5694)

This commit fixes the GHA's Release Pipeline. Currently, this workflow is
not working properly because the `sync_chart_from_bitnami` only runs
when the pipeline is triggered from the main branch, but it should run
when it's triggered from a version tag also.

Signed-off-by: Jesús Benito Calzada <bjesus@vmware.com>

.github/workflows/kubeapps-general.yaml

@@ -617,7 +617,7 @@ jobs:
   sync_chart_from_bitnami:
     needs:
       - setup
-    if: needs.setup.outputs.running_on_main == 'true'
+    if: needs.setup.outputs.running_on_main == 'true' || needs.setup.outputs.running_on_tag == 'true'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3