Bump spring-boot-admin.version from 3.3.6 to 3.4.0

Bumps `spring-boot-admin.version` from 3.3.6 to 3.4.0.

Updates `de.codecentric:spring-boot-admin-starter-server` from 3.3.6 to 3.4.0
- [Release notes](https://github.com/codecentric/spring-boot-admin/releases)
- [Commits](codecentric/spring-boot-admin@3.3.6...3.4.0)

Updates `de.codecentric:spring-boot-admin-starter-client` from 3.3.6 to 3.4.0
- [Release notes](https://github.com/codecentric/spring-boot-admin/releases)
- [Commits](codecentric/spring-boot-admin@3.3.6...3.4.0)

---
updated-dependencies:
- dependency-name: de.codecentric:spring-boot-admin-starter-server
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: de.codecentric:spring-boot-admin-starter-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -60,7 +60,7 @@
         <!-- Dependencies (other than Maven plugins) -->
         <micrometer.version>1.14.1</micrometer.version>
         <springdoc.version>2.7.0</springdoc.version>
-        <spring-boot-admin.version>3.3.6</spring-boot-admin.version>
+        <spring-boot-admin.version>3.4.0</spring-boot-admin.version>
         <!-- Maven plugins -->
         <maven-project-info-reports-plugin.version>3.8.0</maven-project-info-reports-plugin.version>
         <maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>