chore(deps): update dependency com.google.cloud:google-cloud-vision to v2.0.20 (#834)

* chore(deps): update dependency com.google.cloud:google-cloud-vision to v2.0.20

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README.md

@@ -42,7 +42,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-vision</artifactId>
-  <version>2.0.19</version>
+  <version>2.0.20</version>
 </dependency>
 
 ```
@@ -57,13 +57,13 @@ implementation 'com.google.cloud:google-cloud-vision'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-vision:2.0.19'
+implementation 'com.google.cloud:google-cloud-vision:2.0.20'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-vision" % "2.0.19"
+libraryDependencies += "com.google.cloud" % "google-cloud-vision" % "2.0.20"
 ```
 
 ## Authentication

samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-vision</artifactId>
-      <version>2.0.19</version>
+      <version>2.0.20</version>
     </dependency>
     <!-- [END vision_install_without_bom] -->
     <dependency>