build(deps): bump ch.qos.logback:logback-core from 1.5.17 to 1.5.18

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.5.17 to 1.5.18.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.17...v_1.5.18)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

examples/example-spring-boot-starter-web/build.gradle

@@ -11,7 +11,7 @@ plugins {
 // Hopefully with spring-boot 3.4.2+ this won't be needed anymore and can be removed.
 dependencyManagement {
     dependencies {
-        dependency 'ch.qos.logback:logback-core:1.5.17'
+        dependency 'ch.qos.logback:logback-core:1.5.18'
         dependency 'ch.qos.logback:logback-classic:1.5.17'
     }
 }

examples/example-spring-boot-starter-webflux/build.gradle

@@ -11,7 +11,7 @@ plugins {
 // Hopefully with spring-boot 3.4.2+ this won't be needed anymore and can be removed.
 dependencyManagement {
     dependencies {
-        dependency 'ch.qos.logback:logback-core:1.5.17'
+        dependency 'ch.qos.logback:logback-core:1.5.18'
         dependency 'ch.qos.logback:logback-classic:1.5.17'
     }
 }