fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.6 (#625)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [ch.qos.logback:logback-classic](http://logback.qos.ch)
([source](https://github.com/qos-ch/logback),
[changelog](https://logback.qos.ch/news.html)) | `1.5.5` -> `1.5.6` |
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|
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|
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generator/pom.xml

@@ -121,7 +121,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.5</version>
+            <version>1.5.6</version>
         </dependency>
     </dependencies>
     <properties>