Migrate PR build workflow to a centralized workflow

.github/workflows/pull-request.yml

@@ -1,50 +1,18 @@
-name: PR build
+name: PR Build
 
-on:
-  pull_request:
-    branches:
-      - main
-      - 2201.[0-9]+.x
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
+on: pull_request
 
 jobs:
-  ubuntu-build:
-    name: Build on Ubuntu
-    runs-on: ubuntu-latest
+  call_workflow:
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 17
-        uses: actions/setup-java@v2
-        with:
-          distribution: 'temurin'
-          java-version: 17.0.7
       - name: Give execute permission to gradlew
         run: chmod +x ./gradlew
-      - name: Build with Gradle
-        env:
-          packageUser: ${{ github.actor }}
-          packagePAT: ${{ secrets.GITHUB_TOKEN }}
-          CLIENT_ID: ${{ secrets.CLIENT_ID }}
-          CLIENT_SECRET: ${{ secrets.CLIENT_SECRET }}
-          REFRESH_TOKEN: ${{ secrets.REFRESH_TOKEN }}
-        run: ./gradlew build
-      - name: Generate Codecov Report
-        uses: codecov/codecov-action@v2
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-
-  windows-build:
-    name: Build on Windows
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 17
-        uses: actions/setup-java@v2
+      - name: Run PR Build Workflow
+        if: ${{ github.repository_owner == 'ballerina-platform' }}
+        uses: ballerina-platform/ballerina-standard-library/.github/workflows/pull-request-build-template.yml@main
         with:
-          distribution: 'temurin'
-          java-version: 17.0.7
-      - name: Build with Gradle
-        env:
-          packageUser: ${{ github.actor }}
-          packagePAT: ${{ secrets.GITHUB_TOKEN }}
-        run: ./gradlew.bat build -x test
-        # Disabling tests because no docker in git-action windows
+          additional-windows-test-flags: "-x test"