chore: merge separate workflows into parallel jobs

src/Umbraco.Web.UI.Client/.github/workflows/build.yml

@@ -1,40 +0,0 @@
-# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
-
-name: Build
-
-on:
-  push:
-    branches:
-      - main
-      - release/*
-  pull_request:
-    branches:
-      - main
-      - release/*
-
-  # Allows GitHub to use this workflow to validate the merge queue
-  merge_group:
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-env:
-  NODE_OPTIONS: --max_old_space_size=16384
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Use Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: .nvmrc
-          cache: npm
-          cache-dependency-path: ./package-lock.json
-      - run: npm ci --no-audit --no-fund --prefer-offline
-      - run: npm run lint:errors
-      - run: npm run build:for:cms
-      - run: npm run generate:jsonschema:dist

src/Umbraco.Web.UI.Client/.github/workflows/build_test.yml

@@ -1,7 +1,7 @@
 # This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
-name: Test
+name: Build
 
 on:
   push:
@@ -25,7 +25,21 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+          cache-dependency-path: ./package-lock.json
+      - run: npm ci --no-audit --no-fund --prefer-offline
+      - run: npm run lint:errors
+      - run: npm run build:for:cms
+      - run: npm run generate:jsonschema:dist
 
+  test:
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Use Node.js