deps: update dependency com.google.cloud:google-cloud-pubsub-bom to v1.120.13 (#809)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-pubsub-bom](https://togithub.com/googleapis/java-pubsub) | `1.120.12` -> `1.120.13` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.120.13/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.120.13/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.120.13/compatibility-slim/1.120.12)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-pubsub-bom/1.120.13/confidence-slim/1.120.12)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v1.120.13`](https://togithub.com/googleapis/java-pubsub/blob/HEAD/CHANGELOG.md#&#8203;112013-httpsgithubcomgoogleapisjava-pubsubcomparev112012v112013-2022-08-24)

[Compare Source](https://togithub.com/googleapis/java-pubsub/compare/v1.120.12...v1.120.13)

##### Dependencies

-   update dependency com.google.cloud:google-cloud-bigquery to v2.14.7 ([#&#8203;1254](https://togithub.com/googleapis/java-pubsub/issues/1254)) ([775c993](https://togithub.com/googleapis/java-pubsub/commit/775c99353d96bcbc0704626999a7af79cf0e557f))

</details>

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Author: renovate-bot

java-scheduler/pom.xml

@@ -106,7 +106,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsub-bom</artifactId>
-        <version>1.120.12</version>
+        <version>1.120.13</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>