deps: update dependency com.google.cloud:google-cloud-bom to v0.228.0 (#1721)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bom](https://redirect.github.com/googleapis/java-cloud-bom) | `0.226.0` -> `0.228.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-bom/0.228.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-bom/0.228.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-bom/0.226.0/0.228.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-bom/0.226.0/0.228.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

pom.xml

@@ -40,7 +40,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bom</artifactId>
-        <version>0.226.0</version>
+        <version>0.228.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>