chore: clean up and update renovate.json (#273)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/ea92d8ef-9c7c-4b81-8d98-49ca5edffd47/targets

- [ ] To automatically regenerate this PR, check this box.

Source-Link: googleapis/synthtool@6abb590

Author: yoshi-automation

renovate.json

@@ -17,24 +17,6 @@
       ],
       "versionScheme": "docker"
     },
-    {
-      "packagePatterns": [
-        "^com.google.api:gax",
-        "^com.google.auth:",
-        "^com.google.cloud:google-cloud-core",
-        "^io.grpc:",
-        "^com.google.guava:"
-      ],
-      "groupName": "core dependencies"
-    },
-    {
-      "packagePatterns": [
-        "^com.google.http-client:",
-        "^com.google.oauth-client:",
-        "^com.google.api-client:"
-      ],
-      "groupName": "core transport dependencies"
-    },
     {
       "packagePatterns": [
         "*"
@@ -63,6 +45,16 @@
       "semanticCommitType": "chore",
       "semanticCommitScope": "deps"
     },
+    {
+      "packagePatterns": [
+        "^junit:junit",
+        "^com.google.truth:truth",
+        "^org.mockito:mockito-core",
+        "^org.objenesis:objenesis"
+      ],
+      "semanticCommitType": "test",
+      "semanticCommitScope": "deps"
+    },
     {
       "packagePatterns": [
         "^com.google.cloud:google-cloud-"
@@ -78,4 +70,4 @@
   ],
   "semanticCommits": true,
   "masterIssue": true
-}
+}

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-tasks.git",
-        "sha": "1ccdc63f1803e9d71ede05aea157be9791acbee0"
+        "sha": "2de8bad2ce00bc5a9e1d9c8ac3406d164e8129c8"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5a506ec8765cc04f7e29f888b8e9b257d9a7ae11"
+        "sha": "6abb59097be84599a1d6091fe534a49e5c5cf948"
       }
     }
   ],