chore: release 1.8.0 (#129)

🤖 I have created a release \*beep\* \*boop\*
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## [1.8.0](https://www.github.com/googleapis/nodejs-video-transcoder/compare/v1.7.2...v1.8.0) (2021-11-11)


### Features

* **samples:** add example tags to generated samples ([#128](https://www.github.com/googleapis/nodejs-video-transcoder/issues/128)) ([0f2f1a8](https://www.github.com/googleapis/nodejs-video-transcoder/commit/0f2f1a857c154a944521ea230c4295b379450e7f))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

media/transcoder/package.json

@@ -14,7 +14,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/video-transcoder": "^1.7.2"
+    "@google-cloud/video-transcoder": "^1.8.0"
   },
   "devDependencies": {
     "@google-cloud/storage": "^5.4.0",