chore: regenerate README (#501)

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Author: yoshi-automation

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

@@ -4,14 +4,14 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-datalabeling.git",
- "sha": "90c56bccd0ac754e4c92bf9a0033d1ab7f0a838e"
+ "sha": "bfa9e5aacd16caea968d0a4bccb760da0278b11b"
  }
  },
  {
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "c3e41da0fa256ad7f6b4bc76b9d069dedecdfef4"
+ "sha": "811d20bc0b00c09773dfc74ac2baaf1286e943b7"
  }
  }
  ]

README.md

@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-datalabeling</artifactId>
- <version>0.119.16</version>
+ <version>0.120.0</version>
 </dependency>
 
 ```
@@ -54,12 +54,12 @@ compile 'com.google.cloud:google-cloud-datalabeling'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-datalabeling:0.119.16'
+compile 'com.google.cloud:google-cloud-datalabeling:0.120.0'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-datalabeling" % "0.119.16"
+libraryDependencies += "com.google.cloud" % "google-cloud-datalabeling" % "0.120.0"
 ```
 
 ## Authentication