Skip checkExpectedBranchVersion task on PR Build workflow

Issue gh-15226

.github/workflows/pr-build-workflow.yml

@@ -21,7 +21,7 @@ jobs:
           java-version: '11'
           distribution: 'adopt'
       - name: Build with Gradle
-        run: ./gradlew clean build --continue
+        run: ./gradlew clean build -PskipCheckExpectedBranchVersion --continue
   generate-docs:
     name: Generate Docs
     runs-on: ubuntu-latest

buildSrc/src/main/java/org/springframework/security/CheckExpectedBranchVersionPlugin.java

@@ -45,6 +45,9 @@ public class CheckExpectedBranchVersionPlugin implements Plugin<Project> {
 		@TaskAction
 		public void run() throws IOException {
 			Project project = getProject();
+			if (project.hasProperty("skipCheckExpectedBranchVersion")) {
+				return;
+			}
 			String version = (String) project.getVersion();
 			String branchVersion = getBranchVersion(project);
 			if (!branchVersion.matches("^[0-9]+\\.[0-9]+\\.x$")) {