Bump logback.version from 1.5.20 to 1.5.21 (#131)

Bumps `logback.version` from 1.5.20 to 1.5.21.

Updates `ch.qos.logback:logback-core` from 1.5.20 to 1.5.21
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.20...v_1.5.21)

Updates `ch.qos.logback:logback-classic` from 1.5.20 to 1.5.21
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](qos-ch/logback@v_1.5.20...v_1.5.21)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-version: 1.5.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.5.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -19,7 +19,7 @@
         <maven.checkstyle.plugin.version>3.6.0</maven.checkstyle.plugin.version>
         <slf4j.version>2.0.9</slf4j.version>
         <jd.version>1.2.32</jd.version>
-        <logback.version>1.5.20</logback.version>
+        <logback.version>1.5.21</logback.version>
         <jcommander.version>1.32</jcommander.version>
         <junit.version>4.13.2</junit.version>
     </properties>