chore: regenerate README versions (#247)

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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>7.0.1</version>
+      <version>8.0.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -38,7 +38,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-automl</artifactId>
-  <version>1.1.2</version>
+  <version>1.2.0</version>
 </dependency>
 
 ```

synth.metadata

@@ -11,7 +11,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-automl.git",
-        "sha": "77e214d839be1381472fe45c97106bf400ebfbba"
+        "sha": "e1f89c484628872fa82ef47f5be08ebce83be9bd"
       }
     },
     {