feat: add gcf-owl-bot[bot] to ignoreAuthors (#365)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/35db7954-f063-42f8-9ff3-5d189e94e5d3/targets - [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.) Source-Link: googleapis/synthtool@7332178

Author: yoshi-automation

.github/generated-files-bot.yml

@@ -9,3 +9,4 @@ ignoreAuthors:
 - 'renovate-bot'
 - 'yoshi-automation'
 - 'release-please[bot]'
+- 'gcf-owl-bot[bot]'

synth.metadata

@@ -4,14 +4,14 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-shared-dependencies.git",
- "sha": "02141f017c28a4e105d5c8e6aa1ae6ca9f504e0c"
+ "sha": "e8aa86f9c807f907df34ba3b4dbec468ca140094"
  }
  },
  {
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "c86c7a60985644eab557949363a38301d40d78d2"
+ "sha": "7332178a11ddddc91188dc0f25bca1ccadcaa6c6"
  }
  }
  ],