add github action for java-cf

.github/workflows/clients.pkl

@@ -42,6 +42,10 @@ clients = new Mapping<String, Run> {
     steps = GitHubAction.Go.testSteps(null, "go-stdlib/go.mod")
   }
 
+  ["java-cf"] = new {
+    steps = GitHubAction.Java.mavenTestSteps(null, "java-cf", null, null)
+  }
+
   ["java-loom"] = new {
     steps = GitHubAction.Java.gradleTestSteps(null, "java-loom")
   }

.github/workflows/java-cf.yaml

@@ -0,0 +1,31 @@
+# Generated file. DO NOT EDIT.
+'on':
+  push:
+    paths:
+    - java-cf/**
+    - .github/workflows/java-cf.yaml
+  pull_request:
+    paths:
+    - java-cf/**
+    - .github/workflows/java-cf.yaml
+  workflow_run:
+    workflows:
+    - scenario-server
+    types:
+    - completed
+jobs:
+  test:
+    runs-on: ubuntu-24.04
+    if: ${{ github.event.workflow_run == null || github.event.workflow_run.conclusion == 'success' }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        distribution: temurin
+        java-version: '20'
+        cache: maven
+    - run: ./mvnw test
+      working-directory: java-cf
+    defaults:
+      run:
+        working-directory: java-cf