deps: update dependency com.google.cloud:google-cloud-logging-logback to v0.125.2-alpha (#4568)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-logging-logback](https://togithub.com/googleapis/java-logging-logback) | `0.125.1-alpha` -> `0.125.2-alpha` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-logging-logback/0.125.2-alpha/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-logging-logback/0.125.2-alpha/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-logging-logback/0.125.2-alpha/compatibility-slim/0.125.1-alpha)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-logging-logback/0.125.2-alpha/confidence-slim/0.125.1-alpha)](https://docs.renovatebot.com/merge-confidence/) |

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -526,7 +526,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-logging-logback</artifactId>
-        <version>0.125.1-alpha</version>
+        <version>0.125.2-alpha</version>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>