Bump ch.qos.logback:logback-classic from 1.2.7 to 1.3.12 (#36)

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.2.7 to 1.3.12.
- [Commits](qos-ch/logback@v_1.2.7...v_1.3.12)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-type: direct:production
...

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pom.xml

@@ -48,7 +48,7 @@
 
     <properties>
         <java.version>1.7</java.version>
-        <logback.version>1.2.7</logback.version>
+        <logback.version>1.3.12</logback.version>
         <junit.version>4.13.2</junit.version>
         <jackson-databind.version>2.13.4.2</jackson-databind.version>
         <BUILD_NUMBER>1</BUILD_NUMBER>