chore(deps): update dependency com.google.cloud:google-cloud-document…

…-ai to v2.6.0 (#861)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-document-ai](https://togithub.com/googleapis/java-document-ai) | `2.5.2` -> `2.6.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.6.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.6.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.6.0/compatibility-slim/2.5.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.6.0/confidence-slim/2.5.2)](https://docs.renovatebot.com/merge-confidence/) |

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java-document-ai/README.md

@@ -30,7 +30,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file:
   <dependency>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai</artifactId>
-    <version>2.5.2</version>
+    <version>2.6.0</version>
   </dependency>
 
 ```
@@ -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-document-ai</artifactId>
-  <version>2.5.2</version>
+  <version>2.6.0</version>
 </dependency>
 
 ```

java-document-ai/samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-document-ai</artifactId>
-      <version>2.5.2</version>
+      <version>2.6.0</version>
     </dependency>
       <!-- [END documentai_install_without_bom] -->
     <dependency>

java-document-ai/samples/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-document-ai</artifactId>
-      <version>2.5.2</version>
+      <version>2.6.0</version>
     </dependency>
 
     <dependency>

java-document-ai/samples/snippets/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-document-ai</artifactId>
-      <version>2.5.2</version>
+      <version>2.6.0</version>
     </dependency>
     <!-- [END documentai_install_with_bom] -->
     <dependency>