Use PR head as checkout baseline.

Author: uhafner

.github/workflows/quality-monitor.yml

@@ -11,6 +11,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: "refs/pull/${{ github.event.number }}/merge"
       - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
@@ -34,65 +36,3 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           pr-number: ${{ steps.pr.outputs.number }}
-          config: >
-            {
-            "tests": {
-              "name": "Tests",
-              "tools": [
-                {
-                  "id": "test",
-                  "name": "Tests",
-                  "pattern": "**/target/*-reports/TEST*.xml"
-                }
-              ]
-            },
-            "analysis": [
-              {
-                "name": "Style",
-                "id": "style",
-                "tools": [
-                  {
-                    "id": "checkstyle",
-                    "pattern": "**/target/checkstyle-*/checkstyle-result.xml"
-                  },
-                  {
-                    "id": "pmd",
-                    "pattern": "**/target/pmd-*/pmd.xml"
-                  }
-                ]
-              },
-              {
-                "name": "Bugs",
-                "id": "bugs",
-                "icon": "bug",
-                "tools": [
-                  {
-                    "id": "spotbugs",
-                    "sourcePath": "src/main/java",
-                    "pattern": "**/target/spotbugsXml.xml"
-                  }
-                ]
-              }
-            ],
-            "coverage": [
-              {
-                "name": "Code Coverage",
-                "tools": [
-                  {
-                    "id": "jacoco",
-                    "name": "Line Coverage",
-                    "metric": "line",
-                    "sourcePath": "src/main/java",
-                    "pattern": "**/target/site/jacoco/jacoco.xml"
-                  },
-                  {
-                    "id": "jacoco",
-                    "name": "Branch Coverage",
-                    "metric": "branch",
-                    "sourcePath": "src/main/java",
-                    "pattern": "**/target/site/jacoco/jacoco.xml"
-                  }
-                ]
-              }
-             ]
-            }