Scope preview deployments by hosted site

.gitea/workflows/deploy.yml

@@ -1,22 +1,30 @@
-name: Validate and deploy static Worker preview
+name: Deploy primary static Worker preview
 
 on:
   push:
     branches: [astro-platform-pilot]
+    paths:
+      - .gitea/workflows/deploy.yml
+      - astro.config.mjs
+      - package.json
+      - package-lock.json
+      - public/**
+      - schemas/**
+      - scripts/**
+      - sites.json
+      - sites/www/**
+      - src/**
+      - wrangler/www.jsonc
   workflow_dispatch:
 
 jobs:
   preview:
-    name: Preview ${{ matrix.site_key }}
+    name: Preview www
     runs-on: ubuntu-latest
     permissions:
       contents: read
-    strategy:
-      fail-fast: false
-      matrix:
-        site_key: [www, blog]
     env:
-      SITE_KEY: ${{ matrix.site_key }}
+      SITE_KEY: www
       ASTRO_TELEMETRY_DISABLED: '1'
     steps:
       - name: Checkout source