build(deps-dev): bump ch.qos.logback:logback-core

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.5.33 to 1.5.34.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.33...v_1.5.34)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-version: 1.5.34
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

google-cloud-jar-parent/pom.xml

@@ -86,7 +86,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-core</artifactId>
-        <version>1.5.33</version>
+        <version>1.5.34</version>
         <scope>test</scope>
       </dependency>
       <dependency>