deps: update dependency com.google.cloud:google-iam-policy to v1.6.23 (…

…#578)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-iam-policy](https://togithub.com/googleapis/java-eventarc) ([source](https://togithub.com/googleapis/java-iam)) | `1.6.22` -> `1.6.23` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-iam-policy/1.6.23/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-iam-policy/1.6.23/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-iam-policy/1.6.23/compatibility-slim/1.6.22)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-iam-policy/1.6.23/confidence-slim/1.6.22)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v1.6.23`](https://togithub.com/googleapis/java-iam/blob/HEAD/CHANGELOG.md#&#8203;1623-httpsgithubcomgoogleapisjava-iamcomparev1622v1623-2022-12-20)

[Compare Source](https://togithub.com/googleapis/java-iam/compare/v1.6.22...v1.6.23)

##### Dependencies

-   Update dependency com.google.api:api-common to v2.3.1 ([#&#8203;567](https://togithub.com/googleapis/java-iam/issues/567)) ([f96f891](https://togithub.com/googleapis/java-iam/commit/f96f89193fda5f81f4681cdc38a4186ec4b9e35a))
-   Update dependency com.google.auth:google-auth-library-oauth2-http to v1.14.0 ([#&#8203;571](https://togithub.com/googleapis/java-iam/issues/571)) ([f0645e7](https://togithub.com/googleapis/java-iam/commit/f0645e72044f682a2705f1feb764ea9d23890487))
-   Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.1.0 ([#&#8203;565](https://togithub.com/googleapis/java-iam/issues/565)) ([75ebf53](https://togithub.com/googleapis/java-iam/commit/75ebf53bb99f4fc12f22eb71a35ab7ca06d032fe))
-   Update dependency com.google.cloud:google-iam-policy to v1.6.22 ([#&#8203;560](https://togithub.com/googleapis/java-iam/issues/560)) ([b8453e5](https://togithub.com/googleapis/java-iam/commit/b8453e541a860bcdd4e17a38d87bf371c4dbb542))
-   Update dependency com.google.protobuf:protobuf-bom to v3.21.12 ([#&#8203;563](https://togithub.com/googleapis/java-iam/issues/563)) ([223bdff](https://togithub.com/googleapis/java-iam/commit/223bdff6f664730593637d8b21e539d2f2ffc60d))
-   Update dependency com.google.protobuf:protobuf-java to v3.21.12 ([#&#8203;564](https://togithub.com/googleapis/java-iam/issues/564)) ([b424579](https://togithub.com/googleapis/java-iam/commit/b42457951c54b9e882ab143dde29acdf4e246e6c))
-   Update dependency io.grpc:grpc-protobuf to v1.51.1 ([#&#8203;573](https://togithub.com/googleapis/java-iam/issues/573)) ([4e3aa71](https://togithub.com/googleapis/java-iam/commit/4e3aa7113ef7bbabc69cc099ab44177540249c89))
-   Update dependency io.grpc:grpc-stub to v1.51.1 ([#&#8203;574](https://togithub.com/googleapis/java-iam/issues/574)) ([5e7ceda](https://togithub.com/googleapis/java-iam/commit/5e7cedaa3c34dd24c1f50a622848e5a9d5318b54))

</details>

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java-iam/samples/cloud-client/snippets/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-iam-policy</artifactId>
-      <version>1.6.22</version>
+      <version>1.6.23</version>
       <scope>compile</scope>
     </dependency>
     <dependency>