[stable/zed] Implement tooling to sync Helm charts (#1108)

Pin chart requirements
Refactor godaddy-webhook chart name
Sync Neutron with Gerrit #914886
Drop language changes in tox.ini
Pin all charts with a simplified tool
Add linter job to make sure charts are synced
diff --git a/charts/tempest/requirements.yaml b/charts/tempest/requirements.yaml
index 4124d01..6ab539f 100644
--- a/charts/tempest/requirements.yaml
+++ b/charts/tempest/requirements.yaml
@@ -1,16 +1,4 @@
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
 dependencies:
-  - name: helm-toolkit
-    repository: file://../../openstack-helm-infra/helm-toolkit
-    version: ">= 0.1.0"
+- name: helm-toolkit
+  repository: https://tarballs.openstack.org/openstack-helm-infra
+  version: 0.2.55