deps: bump com.google.cloud:alloydb-jdbc-connector from 1.1.8 to 1.2.0 (

#3551)

Bumps [com.google.cloud:alloydb-jdbc-connector](https://github.com/GoogleCloudPlatform/alloydb-java-connector) from 1.1.8 to 1.2.0.
- [Release notes](https://github.com/GoogleCloudPlatform/alloydb-java-connector/releases)
- [Changelog](https://github.com/GoogleCloudPlatform/alloydb-java-connector/blob/main/CHANGELOG.md)
- [Commits](GoogleCloudPlatform/alloydb-java-connector@v1.1.8...v1.2.0)

---
updated-dependencies:
- dependency-name: com.google.cloud:alloydb-jdbc-connector
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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spring-cloud-gcp-dependencies/pom.xml

@@ -38,7 +38,7 @@
 		<cloud-sql-socket-factory.version>1.23.0</cloud-sql-socket-factory.version>
 		<r2dbc-postgres-driver.version>1.0.7.RELEASE</r2dbc-postgres-driver.version>
 		<cloud-spanner-r2dbc.version>1.3.0</cloud-spanner-r2dbc.version>
-		<alloydb-jdbc-connector.version>1.1.8</alloydb-jdbc-connector.version>
+		<alloydb-jdbc-connector.version>1.2.0</alloydb-jdbc-connector.version>
 	</properties>
 
 	<dependencyManagement>