Bump ch.qos.logback:logback-classic from 1.5.19 to 1.5.20

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.19 to 1.5.20.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.19...v_1.5.20)

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

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

Author: dependabot[bot]

build.gradle

@@ -45,7 +45,7 @@ dependencies {
     implementation 'org.jgrapht:jgrapht-ext:1.5.2'
     implementation 'org.jetbrains:annotations:26.0.2-1'
     //implementation 'io.github.fvarrui:javpackager:1.5.1'
-    implementation 'ch.qos.logback:logback-classic:1.5.19'
+    implementation 'ch.qos.logback:logback-classic:1.5.20'
 
     implementation('com.jfoenix:jfoenix:9.0.4') {
         exclude group: "org.javafx"