Adding ci-pr.yml (#2808)

* Adding ci-pr.yml

* Add missing settings.xml

* [CI] Polish ci-pr.yml

- Remove extra profiles from settings.xml
- Simpify the workflow

---------

Co-authored-by: Chris Bono <cbono@vmware.com>

.github/workflows/ci-pr.yml

@@ -0,0 +1,59 @@
+name: CI PRs
+
+on:
+  pull_request:
+    branches:
+      - 'main'
+      - '4.0.x'
+      - '3.2.x'
+    paths-ignore:
+      - '.github/**'
+
+env:
+  MAVEN_THREADS: '-T 2'
+
+jobs:
+  build_and_verify:
+    name: Build and Verify
+    if: github.repository == 'spring-cloud/spring-cloud-stream'
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout SCSt repo
+        uses: actions/checkout@v2
+
+      - name: Setup Maven cache
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-m2-
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'liberica'
+
+      - name: Setup Maven
+        uses: jvalkeal/setup-maven@v1
+        with:
+          maven-version: 3.8.8
+          maven-mirror: 'https://dlcdn.apache.org/maven/maven-3/'
+
+      - name: Build and run unit tests
+        run: |
+          mvn -B -s .github/settings.xml clean install
+
+      - name: Clean Maven cache
+        run: |
+          find ~/.m2/repository -type d -name '*SNAPSHOT' | xargs rm -fr
+
+      - name: Capture Test Results
+        if: failure()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-results
+          path: '*/target/surefire-reports/*.*'
+          retention-days: 3