deps: update dependency com.google.cloud:google-cloud-securitycenter-bom to v2.7.1 (#4684)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-securitycenter-bom](https://togithub.com/googleapis/java-securitycenter) | `2.7.0` -> `2.7.1` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-securitycenter-bom/2.7.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-securitycenter-bom/2.7.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-securitycenter-bom/2.7.1/compatibility-slim/2.7.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-securitycenter-bom/2.7.1/confidence-slim/2.7.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v2.7.1`](https://togithub.com/googleapis/java-securitycenter/blob/HEAD/CHANGELOG.md#&#8203;271-httpsgithubcomgoogleapisjava-securitycentercomparev270v271-2022-07-01)

[Compare Source](https://togithub.com/googleapis/java-securitycenter/compare/v2.7.0...v2.7.1)

##### Dependencies

-   update dependency com.google.cloud:google-cloud-bigquery to v2.13.8 ([#&#8203;856](https://togithub.com/googleapis/java-securitycenter/issues/856)) ([151b47a](https://togithub.com/googleapis/java-securitycenter/commit/151b47a6331bc25892de1bd244c767e4e473ab01))
-   update dependency com.google.cloud:google-cloud-pubsub to v1.120.0 ([#&#8203;862](https://togithub.com/googleapis/java-securitycenter/issues/862)) ([9309bad](https://togithub.com/googleapis/java-securitycenter/commit/9309bad86461e2086dc9daa58d57c24a9cef86f5))

</details>

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -723,7 +723,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-securitycenter-bom</artifactId>
-        <version>2.7.0</version>
+        <version>2.7.1</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>