chore: regenerate README (#433)

This PR was generated using Autosynth. 🌈 <details><summary>Log from Synthtool</summary> ``` 2020-10-14 14:55:07,017 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-bigquerydatatransfer/.github/readme/synth.py. On branch autosynth-readme nothing to commit, working directory clean 2020-10-14 14:55:07,953 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata. ``` </details> Full log will be available here: https://source.cloud.google.com/results/invocations/b3ec59b7-15e3-4859-9757-a4cf4819a284/targets - [ ] To automatically regenerate this PR, check this box.

Author: yoshi-automation

.github/readme/synth.metadata/synth.metadata

@@ -4,14 +4,14 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-bigquerydatatransfer.git",
- "sha": "57a52ceb6db651d83c5670f2883ee4ba18a32588"
+ "sha": "3b56e76ec1c0957167602a04b86a00fc36b1bf52"
  }
  },
  {
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "9b7fadcd01ca5acb03a23519b6afc2fd347df3b5"
+ "sha": "3c1fd09ba8d1c7b7092662f6f8330f521d4e7739"
  }
  }
  ]

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>12.0.0</version>
+ <version>12.1.0</version>
  <type>pom</type>
  <scope>import</scope>
  </dependency>