🐛(ci) align helm chart release process with people repository

Previous merge of helm chart refactoring was incomplete. Currently,
linting only occurs during chart publication rather than on each PR.
This temporary solution will be improved in a future update.

.github/workflows/release-helm-chart.yaml

@@ -2,16 +2,14 @@ name: Release Chart
 run-name: Release Chart
 
 on:
-  pull_request:
+  push:
     branches:
       - 'main'
-  push:
     paths:
       - ./src/helm/meet/**
 
 jobs:
   release:
-    if: github.event_name == 'push'
     permissions:
       contents: write
     runs-on: ubuntu-latest