deps: update google.common-protos.version to v2.9.6 (#844)

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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/) |
| [com.google.api.grpc:proto-google-common-protos](https://togithub.com/googleapis/java-iam/proto-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:proto-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:proto-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:proto-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:proto-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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first-party-dependencies/pom.xml

@@ -62,7 +62,7 @@
     <guava.version>31.1-jre</guava.version>
     <protobuf.version>3.21.7</protobuf.version>
     <google.api-common.version>2.2.1</google.api-common.version>
-    <google.common-protos.version>2.9.5</google.common-protos.version>
+    <google.common-protos.version>2.9.6</google.common-protos.version>
     <google.core.version>2.8.19</google.core.version>
     <google.auth.version>1.11.0</google.auth.version>
     <google.http-client.version>1.42.2</google.http-client.version>