Merge pull request #71 from io7m-com/dependabot/maven/develop/ch.qos.logback-logback-classic-1.5.21

Automatically merged by ghtools. Audit ID: 3ddc0680-50db-43d0-9419-a94c001cd8a5

Author: io7m

pom.xml

@@ -109,7 +109,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.5.20</version>
+        <version>1.5.21</version>
       </dependency>
 
       <dependency>