chore: regenerate common templates (#316)

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Synth log will be available here:
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Source-Link: googleapis/synthtool@6abb590
Source-Link: googleapis/synthtool@5a506ec

Author: yoshi-automation

.github/snippet-bot.yml

@@ -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
-}
+}

renovate.json

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-monitoring.git",
-        "sha": "ca68d8aa7ab3d257f6f4eeab78b57d94d20ca6b6"
+        "sha": "c980dfc7caa995a2839cf40b90759d84aacd60f3"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "7c5370937dd9ba9dcf9cd7d2af880a58b389b4f1"
+        "sha": "6abb59097be84599a1d6091fe534a49e5c5cf948"
       }
     }
   ],
@@ -42,6 +42,7 @@
     ".github/PULL_REQUEST_TEMPLATE.md",
     ".github/readme/synth.py",
     ".github/release-please.yml",
+    ".github/snippet-bot.yml",
     ".github/trusted-contribution.yml",
     ".github/workflows/approve-readme.yaml",
     ".github/workflows/auto-release.yaml",