Split workflows (#2071)

.github/workflows/build-pr.yml

@@ -0,0 +1,23 @@
+name: Build PR
+
+on: [ pull_request ]
+
+jobs:
+  build_pr:
+    if: github.repository_owner == 'IntellectualSites'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: Setup Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 17
+      - name: Build on ${{ matrix.os }}
+        run: ./gradlew clean build

.github/workflows/build.yml

@@ -1,10 +1,12 @@
-name: build
-
-on: [pull_request, push]
+name: Build
 
+on:
+  push:
+    branches:
+      - main
 jobs:
   build:
-    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    if: github.repository_owner == 'IntellectualSites'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository

.github/workflows/codeql.yml

@@ -1,8 +1,6 @@
 name: "CodeQL"
 
 on:
-  push:
-    branches: [ main ]
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ main ]