Bump ch.qos.logback:logback-classic from 1.5.20 to 1.5.21 (#294)

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

Author: dependabot[bot]

assertj-generator/pom.xml

@@ -47,7 +47,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.5.20</version>
+      <version>1.5.21</version>
     </dependency>
     <!-- Test -->
     <dependency>