chore(deps): update dependency com.google.cloud:google-cloud-mediatranslation to v0.8.1 (#662)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-mediatranslation](https://togithub.com/googleapis/java-mediatranslation) | `0.8.0` -> `0.8.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-mediatranslation/0.8.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-mediatranslation/0.8.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-mediatranslation/0.8.1/compatibility-slim/0.8.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-mediatranslation/0.8.1/confidence-slim/0.8.0)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

mediatranslation/pom.xml

@@ -27,7 +27,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-mediatranslation</artifactId>
-      <version>0.8.0</version>
+      <version>0.8.1</version>
     </dependency>
 
     <dependency>