build(deps-dev): bump spring-cloud-gcp-core from 4.2.0 to 4.3.0 (#1403)

Bumps [spring-cloud-gcp-core](https://github.com/GoogleCloudPlatform/spring-cloud-gcp) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/GoogleCloudPlatform/spring-cloud-gcp/releases)
- [Changelog](https://github.com/GoogleCloudPlatform/spring-cloud-gcp/blob/main/CHANGELOG.md)
- [Commits](GoogleCloudPlatform/spring-cloud-gcp@v4.2.0...v4.3.0)

---
updated-dependencies:
- dependency-name: com.google.cloud:spring-cloud-gcp-core
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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spring-content-gcs/pom.xml

@@ -96,7 +96,7 @@
         <dependency>
             <groupId>com.google.cloud</groupId>
             <artifactId>spring-cloud-gcp-core</artifactId>
-            <version>4.2.0</version>
+            <version>4.3.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>