Bump ch.qos.logback:logback-classic from 1.5.18 to 1.5.19 (closes #160)

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.18 to 1.5.19.
- [Release notes](https://github.com/qos-ch/logback/releases)
- [Commits](https://github.com/qos-ch/logback/compare/v_1.5.18...v_1.5.19)

Change-Id: If294e3e8f7b96e66641a03efbba4d27a5b8b7efd

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-version: 1.5.19
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Change-Id: Ib33f934856782629b0d5409cab6fc5dd00c36666
diff --git a/pom.xml b/pom.xml
index 8b4cbe3..ae9f522 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.5.18</version>
+      <version>1.5.19</version>
       <scope>test</scope>
     </dependency>
     <dependency>