Bump logback-classic from 1.2.11 to 1.4.0

Bumps [logback-classic](https://github.com/qos-ch/logback) from 1.2.11 to 1.4.0.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](https://github.com/qos-ch/logback/compare/v_1.2.11...v_1.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index e3a675f..2407117 100644
--- a/pom.xml
+++ b/pom.xml
@@ -204,7 +204,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.2.11</version>
+        <version>1.4.0</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>