chore: add unmanaged dependency check (#1380)

* chore: add unmanaged dependency check

* change renovate config

.github/workflows/unmanaged_dependency_check.yaml

@@ -0,0 +1,19 @@
+on:
+  pull_request:
+name: Unmanaged dependency check
+jobs:
+  unmanaged_dependency_check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        distribution: temurin
+        java-version: 11
+    - name: Install modules
+      shell: bash
+      run: .kokoro/build.sh
+    - name: Unmanaged dependency check
+      uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v3.27.0
+      with:
+        bom-path: pom.xml

renovate.json

@@ -20,6 +20,15 @@
       "matchStrings": ["value: \"gcr.io/cloud-devrel-public-resources/graalvm.*:(?<currentValue>.*?)\""],
       "depNameTemplate": "com.google.cloud:sdk-platform-java-config",
       "datasourceTemplate": "maven"
+    },
+    {
+      "customType": "regex",
+      "fileMatch": [
+        "^.github/workflows/unmanaged_dependency_check.yaml$"
+      ],
+      "matchStrings": ["uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v(?<currentValue>.+?)\\n"],
+      "depNameTemplate": "com.google.cloud:sdk-platform-java-config",
+      "datasourceTemplate": "maven"
     }
   ],
   "packageRules": [