Update yaml globs for Helm to support common chart structures

docs/notes/2.25.x.md

@@ -77,6 +77,8 @@ The `helm_infer.external_docker_images` glob syntax has been generalized.  In ad
 
 Fixed a bug where linting with the Helm backend enabled could induce serialization errors with the [workunit-logger](https://www.pantsbuild.org/2.25/reference/subsystems/workunit-logger).
 
+The default "globs" for matching yaml in charts now matches more common structures.
+
 #### Javascript
 
 Fixed an issue where `pants run ...` commands only worked if the `package.json` file was in the root directory.

src/python/pants/backend/helm/target_types.py

@@ -127,9 +127,9 @@ class HelmChartSourcesField(MultipleSourcesField):
         "values.yaml",
         "values.yml",
         "values.schema.json",
-        "templates/*.yaml",
-        "templates/*.yml",
-        "templates/*.tpl",
+        "templates/**/*.yaml",
+        "templates/**/*.yml",
+        "templates/**/*.tpl",
         "templates/NOTES.txt",
         "crds/*.yaml",
         "crds/*.yml",