chore(ci): Update branches for gh-pages

.github/workflows/web_build.yml

@@ -3,9 +3,9 @@ name: Web validator
 
 on:
   push:
-    branches: [main, stable]
+    branches: [main, dev]
   pull_request:
-    branches: [main, stable]
+    branches: [main, dev]
   release:
     types: [published]
   workflow_dispatch:
@@ -42,24 +42,25 @@ jobs:
       - name: Checkout release/target
         uses: actions/checkout@v4
         with:
-          # Use the implicit ref, assuming it's stable
+          # Stable is whatever we're releasing. Should generally
+          # be the last release, but can be main.
           path: stable
-      - name: Checkout main
+      - name: Checkout dev
         uses: actions/checkout@v4
         with:
-          ref: main
-          path: main
+          ref: dev
+          path: dev
       - uses: denoland/setup-deno@v2
         with:
           deno-version: v2.x
       - name: Build release/target
         run: deno task build
         working-directory: stable/web
-      - name: Build main
+      - name: Build dev
         run: deno task build
-        working-directory: main/web
-      - name: Nest main inside stable
-        run: mv main/web/dist stable/web/dist/dev
+        working-directory: dev/web
+      - name: Nest dev inside stable
+        run: mv dev/web/dist stable/web/dist/dev
       - name: Upload GitHub Pages artifact
         uses: actions/upload-pages-artifact@v3
         with: