Merge pull request #15 from io7m/dependabot/maven/develop/ch.qos.logb…

…ack-logback-classic-1.5.6

Bump ch.qos.logback:logback-classic from 1.4.14 to 1.5.6

pom.xml

@@ -156,7 +156,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.4.14</version>
+        <version>1.5.6</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>