deps: update dependency com.google.cloud:google-cloud-pubsub-bom to v1.123.12 (#5984)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-pubsub-bom](https://github.com/googleapis/java-pubsub) | `1.123.11` -> `1.123.12` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.123.12/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.123.12/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.123.12/compatibility-slim/1.123.11)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.123.12/confidence-slim/1.123.11)](https://docs.renovatebot.com/merge-confidence/) |

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### ⚠ Dependency Lookup Warnings ⚠

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### Release Notes

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

### [`v1.123.12`](https://github.com/googleapis/java-pubsub/blob/HEAD/CHANGELOG.md#&#8203;112312-httpsgithubcomgoogleapisjava-pubsubcomparev112311v112312-2023-05-12)

[Compare Source](https://github.com/googleapis/java-pubsub/compare/v1.123.11...v1.123.12)

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-bigquery to v2.25.0 ([#&#8203;1566](https://github.com/googleapis/java-pubsub/issues/1566)) ([7e63280](https://github.com/googleapis/java-pubsub/commit/7e632806b83b5c849ea50fdf3085b2db7bdbeff3))
-   Update dependency com.google.cloud:google-cloud-core to v2.17.0 ([#&#8203;1574](https://github.com/googleapis/java-pubsub/issues/1574)) ([9c80f14](https://github.com/googleapis/java-pubsub/commit/9c80f1493a5149a76b55d9f1d178684e1b5dde80))
-   Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.9.0 ([#&#8203;1576](https://github.com/googleapis/java-pubsub/issues/1576)) ([03a027f](https://github.com/googleapis/java-pubsub/commit/03a027fb2619444511d25ef7100c7ac850c1dca1))
-   Update dependency org.easymock:easymock to v5.1.0 ([#&#8203;1448](https://github.com/googleapis/java-pubsub/issues/1448)) ([5ad86fe](https://github.com/googleapis/java-pubsub/commit/5ad86fe783a2fcdfe6102a9916c65b1c4139b3da))
-   Update dependency org.graalvm.buildtools:junit-platform-native to v0.9.22 ([#&#8203;1570](https://github.com/googleapis/java-pubsub/issues/1570)) ([bbe9a8b](https://github.com/googleapis/java-pubsub/commit/bbe9a8b6594a0e6b777ceb3b97e8d625446e34e4))
-   Update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.22 ([#&#8203;1571](https://github.com/googleapis/java-pubsub/issues/1571)) ([e7b62d3](https://github.com/googleapis/java-pubsub/commit/e7b62d35aa3c73f55a474d406da094ded02d07f1))
-   Update dependency org.xerial.snappy:snappy-java to v1.1.9.0 - abandoned ([#&#8203;1471](https://github.com/googleapis/java-pubsub/issues/1471)) ([1620e00](https://github.com/googleapis/java-pubsub/commit/1620e00cf1632699fa37a78059dfb86e707dbccc))
-   Update dependency org.xerial.snappy:snappy-java to v1.1.9.1 ([#&#8203;1572](https://github.com/googleapis/java-pubsub/issues/1572)) ([1ec2fec](https://github.com/googleapis/java-pubsub/commit/1ec2feca66ab8b29edf8f9dd0d4b8df8261e709a))

</details>

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -224,7 +224,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsub-bom</artifactId>
-        <version>1.123.11</version>
+        <version>1.123.12</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>