deps: update dependency com.google.api.grpc:proto-google-cloud-pubsub-v1 to v1.96.0 (#834)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.api.grpc:proto-google-cloud-pubsub-v1](https://togithub.com/googleapis/java-pubsub) | `1.95.6` -> `1.96.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-pubsub-v1/1.96.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-pubsub-v1/1.96.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-pubsub-v1/1.96.0/compatibility-slim/1.95.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-pubsub-v1/1.96.0/confidence-slim/1.95.6)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-pubsub</summary>

### [`v1.96.0`](https://togithub.com/googleapis/java-pubsub/compare/1.93.0...1.96.0)

</details>

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Author: renovate-bot

pom.xml

@@ -162,7 +162,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-pubsub-v1</artifactId>
-        <version>1.95.6</version>
+        <version>1.96.0</version>
         <scope>test</scope>
       </dependency>
       <dependency>