deps: update dependency com.google.cloud:google-cloud-pubsub to v1.120.12 (#969)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-pubsub](https://togithub.com/googleapis/java-pubsub) | `1.120.11` -> `1.120.12` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub/1.120.12/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub/1.120.12/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub/1.120.12/compatibility-slim/1.120.11)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub/1.120.12/confidence-slim/1.120.11)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v1.120.12`](https://togithub.com/googleapis/java-pubsub/blob/HEAD/CHANGELOG.md#&#8203;112012-httpsgithubcomgoogleapisjava-pubsubcomparev112011v112012-2022-08-18)

[Compare Source](https://togithub.com/googleapis/java-pubsub/compare/v1.120.11...v1.120.12)

##### Dependencies

-   update dependency com.google.cloud:google-cloud-bigquery to v2.14.4 ([#&#8203;1242](https://togithub.com/googleapis/java-pubsub/issues/1242)) ([08cfe80](https://togithub.com/googleapis/java-pubsub/commit/08cfe805e71831e040f63755acde17ec45c21418))
-   update dependency com.google.cloud:google-cloud-bigquery to v2.14.6 ([#&#8203;1245](https://togithub.com/googleapis/java-pubsub/issues/1245)) ([7f933ee](https://togithub.com/googleapis/java-pubsub/commit/7f933ee35055c608e9f5b72251583060943a79ea))
-   update dependency com.google.cloud:google-cloud-core to v2.8.9 ([#&#8203;1250](https://togithub.com/googleapis/java-pubsub/issues/1250)) ([7c8fd41](https://togithub.com/googleapis/java-pubsub/commit/7c8fd4183523b876983c89d4b7994746b11964c3))
-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;1243](https://togithub.com/googleapis/java-pubsub/issues/1243)) ([37eaff8](https://togithub.com/googleapis/java-pubsub/commit/37eaff859422bb215ace202ffd0adf8a651dadb5))

</details>

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Author: renovate-bot

samples/install-without-bom/pom.xml

@@ -36,7 +36,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsub</artifactId>
-      <version>1.120.11</version>
+      <version>1.120.12</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>

samples/snapshot/pom.xml

@@ -35,7 +35,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsub</artifactId>
-      <version>1.120.11</version>
+      <version>1.120.12</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>