build: Only run github actions based on folder changes

Author: alhendrickson

.github/workflows/kubernetes-charts-build.yaml

@@ -1,11 +1,18 @@
 name: Kubernetes - Lint, Test, and Publish Helm Charts
 
-on: pull_request
+on:
+  push:
+    branches: [ main ]
+    pull_request:
+      paths:
+      - 'deployment/kubernetes/**'
+    tags:
+      - 'v*.*.*'  # e.g., v0.1.1
+
 defaults:
   run:
     working-directory: ./deployment/kubernetes
 
-
 jobs:
   helm-lint-test:
     runs-on: ubuntu-latest

.github/workflows/observability-docker.yml

@@ -2,8 +2,10 @@ name: ci-build
 
 on:
   push:
-    branches:
-      - '**'
+    branches: [ main ]
+    pull_request:
+      paths:
+      - 'observability/**'
     tags:
       - 'v*.*.*'  # e.g., v0.1.1