Bump ch.qos.logback:logback-classic from 1.3.14 to 1.5.20

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.3.14 to 1.5.20.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.3.14...v_1.5.20)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.5.20
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

spring/pom.xml

@@ -17,7 +17,7 @@
 
     <properties>
         <spring.version>5.3.39</spring.version>
-        <logback.version>1.3.14</logback.version>
+        <logback.version>1.5.20</logback.version>
 
         <!-- When bumping minimum JDK version use Spring 6 (JDK >= 17) and logback 1.4.* (JDK >= 11) -->
         <!--<spring.version>6.2.5</spring.version>-->