chore: regenerate README (#127)

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Author: yoshi-automation

README.md

@@ -20,7 +20,7 @@ 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>5.2.0</version>
+ <version>5.3.0</version>
  <type>pom</type>
  <scope>import</scope>
  </dependency>

synth.metadata

@@ -4,7 +4,7 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-recaptchaenterprise.git",
- "sha": "53fc6b368f4d9e30f9eee32d4b34f834d26fa50f"
+ "sha": "b3a6ed683fcae1e013cc384bed0f1c5b7e2a109a"
  }
  },
  {