feat: add gcf-owl-bot[bot] to ignoreAuthors (#450)

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Source-Link: googleapis/synthtool@7332178

.github/generated-files-bot.yml

@@ -11,3 +11,6 @@ generatedFiles:
   message: '`README.md` is managed by [`synthtool`](https://github.com/googleapis/synthtool). However, a partials file can be used to update the README, e.g.: https://github.com/googleapis/nodejs-storage/blob/master/.readme-partials.yaml'
 - path: 'samples/README.md'
   message: '`samples/README.md` is managed by [`synthtool`](https://github.com/googleapis/synthtool). However, a partials file can be used to update the README, e.g.: https://github.com/googleapis/nodejs-storage/blob/master/.readme-partials.yaml'
+ignoreAuthors:
+- 'gcf-owl-bot[bot]'
+- 'yoshi-automation'

synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/gcp-metadata.git",
-        "sha": "5c5a8edfc9a1f518294f45f174d3d5bd38d2e7cb"
+        "sha": "52aa29d1e2c11783ea944382573a04c676ac6889"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "b891fb474173f810051a7fdb0d66915e0a9bc82f"
+        "sha": "7332178a11ddddc91188dc0f25bca1ccadcaa6c6"
       }
     }
   ]