chore(deps): update dependency com.google.cloud:google-cloud-document-ai to v2.5.1 (#833)

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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) | `2.5.0` -> `2.5.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.5.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.5.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.5.1/compatibility-slim/2.5.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-document-ai/2.5.1/confidence-slim/2.5.0)](https://docs.renovatebot.com/merge-confidence/) |

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document-ai/snippets/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-document-ai</artifactId>
-      <version>2.5.0</version>
+      <version>2.5.1</version>
     </dependency>
     <!-- [END documentai_install_with_bom] -->
     <dependency>