deps: update dependency com.google.api.grpc:grpc-google-common-protos…

… to v2.9.6 (#909)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.api.grpc:grpc-google-common-protos](https://togithub.com/googleapis/java-iam/grpc-google-common-protos) ([source](https://togithub.com/googleapis/java-common-protos)) | `2.9.5` -> `2.9.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:grpc-google-common-protos/2.9.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:grpc-google-common-protos/2.9.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:grpc-google-common-protos/2.9.6/compatibility-slim/2.9.5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:grpc-google-common-protos/2.9.6/confidence-slim/2.9.5)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-common-protos</summary>

### [`v2.9.6`](https://togithub.com/googleapis/java-common-protos/blob/HEAD/CHANGELOG.md#&#8203;296-httpsgithubcomgoogleapisjava-common-protoscomparev295v296-2022-10-02)

[Compare Source](https://togithub.com/googleapis/java-common-protos/compare/v2.9.5...v2.9.6)

##### Dependencies

-   Update dependency io.grpc:grpc-bom to v1.49.2 ([#&#8203;448](https://togithub.com/googleapis/java-common-protos/issues/448)) ([70b435b](https://togithub.com/googleapis/java-common-protos/commit/70b435b006ec2b00b86491f10a6f53e689b9739c))
-   Update dependency io.grpc:grpc-protobuf to v1.49.2 ([#&#8203;449](https://togithub.com/googleapis/java-common-protos/issues/449)) ([fddd7a9](https://togithub.com/googleapis/java-common-protos/commit/fddd7a932c46462e1d7845d95260523aa10a9b8a))
-   Update dependency io.grpc:grpc-stub to v1.49.2 ([#&#8203;450](https://togithub.com/googleapis/java-common-protos/issues/450)) ([abbe6cc](https://togithub.com/googleapis/java-common-protos/commit/abbe6cc897a555d0a3814b9f4bf959fc5856333e))

</details>

---

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java-document-ai/google-cloud-document-ai/pom.xml

@@ -128,7 +128,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-common-protos</artifactId>
-      <version>2.9.5</version>
+      <version>2.9.6</version>
       <scope>test</scope>
     </dependency>
   </dependencies>