chore: add dependencyDashboardLabels to renovate.json (#593)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/b9e095c8-4741-4d86-8a02-6e3362d6cc9e/targets - [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.) Source-Link: googleapis/synthtool@5d3c52f

Author: yoshi-automation

renovate.json

@@ -69,5 +69,8 @@
  }
  ],
  "semanticCommits": true,
- "masterIssue": true
+ "dependencyDashboard": true,
+ "dependencyDashboardLabels": [
+ "type: process"
+ ]
 }

synth.metadata

@@ -4,7 +4,7 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-errorreporting.git",
- "sha": "c243d967bd0badb045e0fa6918a0d09c77dd94a2"
+ "sha": "4d18b8377f7ddeeb1063ee7f65e0692ace4f502f"
  }
  },
  {
@@ -19,7 +19,7 @@
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "09c59c20a4bf0daed1665af59035ff240fe356df"
+ "sha": "5d3c52f5db664eee9026db76b5bcb466f3a09ca9"
  }
  }
  ],