chore: fix renovate config managerFilePatterns

Author: lqiu96

renovate.json

@@ -28,11 +28,11 @@
     },
     {
       "matchManagers": [
-        "regex"
+        "custom.regex"
       ],
       "semanticCommitType": "chore",
       "matchFileNames": [
-        "dependencies.txt"
+        "sdk-platform-java/dependencies.txt"
       ],
       "matchDatasources": [
         "maven"
@@ -50,6 +50,7 @@
     "java-samples/native-image-sample/pom.xml",
     "java-shared-dependencies/first-party-dependencies/pom.xml",
     "java-shared-dependencies/third-party-dependencies/pom.xml",
+    "sdk-platform-java/dependencies.txt",
     ".kokoro/nightly/graalvm-native*.cfg",
     ".kokoro/nightly/graalvm-sub-jobs/native*/common.cfg",
     ".kokoro/presubmit/graalvm-native*.cfg",
@@ -62,7 +63,7 @@
   "customManagers": [
     {
       "customType": "regex",
-      "managerFilePatterns": [
+      "fileMatch": [
         "/^.kokoro/nightly/graalvm-native.*.cfg$/",
         "/^.kokoro/presubmit/graalvm-native.*.cfg$/",
         "/^.kokoro/presubmit/*-graalvm-native-presubmit.cfg$/",
@@ -77,7 +78,7 @@
     },
     {
       "customType": "regex",
-      "managerFilePatterns": [
+      "fileMatch": [
         "/java-dns/README.md/",
         "/java-notification/README.md/",
         "/java-samples/native-image-sample/pom.xml/",
@@ -91,7 +92,7 @@
     },
     {
       "customType": "regex",
-      "managerFilePatterns": [
+      "fileMatch": [
         "/.github/workflows/ci.yaml/",
         "/.github/workflows/generated_files_sync.yaml/"
       ],
@@ -103,14 +104,20 @@
     },
     {
       "customType": "regex",
-      "managerFilePatterns": [
+      "fileMatch": [
         "/^.github/workflows/unmanaged_dependency_check.yaml$/"
       ],
       "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"
+    },
+    {
+      "customType": "regex",
+      "fileMatch": ["sdk-platform-java/dependencies.txt"],
+      "matchStrings": ["(?<depName>.*),(.*)=(?<currentValue>.*)"],
+      "datasourceTemplate": "maven"
     }
   ]
 }