chore: regenerate README (#208)

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Author: yoshi-automation

README.md

@@ -17,7 +17,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
  <dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>libraries-bom</artifactId>
- <version>8.0.0</version>
+ <version>8.1.0</version>
  <type>pom</type>
  <scope>import</scope>
  </dependency>