chore: regenerate README (#427)

This PR was generated using Autosynth. 🌈 <details><summary>Log from Synthtool</summary> ``` 2021-02-09 22:27:25,581 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-logging/.github/readme/synth.py. On branch autosynth-readme nothing to commit, working tree clean 2021-02-09 22:27:26,489 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/83769bb5-9fd7-477f-b6ce-cffe52102485/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-logging.git",
- "sha": "17aa8b8103176d7d32822b70d143f7851f22e73a"
+ "sha": "896619b8dc1aef1a19131bb32f6f41079c9d0fc3"
  }
  },
  {
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "b259489b06b25f399768b74b8baa943991f38ea7"
+ "sha": "4679e7e415221f03ff2a71e3ffad75b9ec41d87e"
  }
  }
  ]

README.md

@@ -46,7 +46,7 @@ If you are using Maven without BOM, add this to your dependencies:
 
 If you are using Gradle 5.x or later, add this to your dependencies
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:16.3.0')
+implementation platform('com.google.cloud:libraries-bom:16.4.0')
 
 compile 'com.google.cloud:google-cloud-logging'
 ```