[bitnami/template] Update Chart.yaml

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

template/CHART_NAME/Chart.yaml

@@ -28,6 +28,7 @@ maintainers:
     url: https://github.com/bitnami/charts
 name: %%CHART_NAME%%
 sources:
+  - https://github.com/bitnami/charts/tree/main/bitnami/%%IMAGE_NAME%%
   - https://github.com/bitnami/containers/tree/main/bitnami/%%IMAGE_NAME%%
   - %%UPSTREAM_PROJECT_SOURCE_CODE_URL%%
   - ...