Rename and adjust workflows for PR builds and testing.

Renamed the PR-related workflow for clarity and replaced `build-on-pr-create.yml` with `build-and-test-on-pr-open.yml` for better naming consistency. Also commented out the push trigger in `run-tests.yml` to refine its activation criteria.

.github/workflows/build-and-test-on-pr-open.yml

@@ -0,0 +1,37 @@
+# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
+# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#apache-maven-with-a-settings-path
+
+name: Build and Test on PR Open
+
+on:
+  pull_request:
+    types: [ opened, reopened ]
+    branches: [ "main" ]
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'adopt-hotspot'
+          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+          settings-path: ${{ github.workspace }} # location for the settings.xml file
+
+      - name: Build with Maven
+        run: mvn --file pom.xml -U clean package
+
+      - name: Run unit tests
+        run: mvn --file pom.xml -U clean test -Punit-tests
+
+      - name: Run integration tests
+        run: mvn --file pom.xml -U clean verify -Pintegration-tests