ci: skip app CI workflows for www-only changes

Add www/** to paths-ignore in astro-build-test, e2e-tests, and
nix-build workflows. docker-build and helm-test already use positive
path filters and were unaffected.

.github/workflows/astro-build-test.yml

@@ -6,11 +6,13 @@ on:
     paths-ignore:
       - 'README.md'
       - 'docs/**'
+      - 'www/**'
   pull_request:
     branches: [ '*' ]
     paths-ignore:
       - 'README.md'
       - 'docs/**'
+      - 'www/**'
 
 permissions:
   contents: read

.github/workflows/e2e-tests.yml

@@ -8,6 +8,7 @@ on:
       - "docs/**"
       - "CHANGELOG.md"
       - "LICENSE"
+      - "www/**"
   pull_request:
     branches: ["*"]
     paths-ignore:
@@ -15,6 +16,7 @@ on:
       - "docs/**"
       - "CHANGELOG.md"
       - "LICENSE"
+      - "www/**"
   workflow_dispatch:
     inputs:
       debug_enabled:

.github/workflows/nix-build.yml

@@ -5,8 +5,16 @@ on:
     branches: [main, nix]
     tags:
       - 'v*'
+    paths-ignore:
+      - 'README.md'
+      - 'docs/**'
+      - 'www/**'
   pull_request:
     branches: [main]
+    paths-ignore:
+      - 'README.md'
+      - 'docs/**'
+      - 'www/**'
 
 permissions:
   contents: read