fix: upgrade ch.qos.logback:logback-classic from 1.5.19 to 1.5.20

Snyk has created this PR to upgrade ch.qos.logback:logback-classic from 1.5.19 to 1.5.20.

See this package in maven:
ch.qos.logback:logback-classic

See this project in Snyk:
https://app.snyk.io/org/jesperancinha-github-marketplace/project/70b67093-cab2-4734-98f6-5f28d5a4850c?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -56,7 +56,7 @@
         <junit-jupiter-engine.version>5.3.1</junit-jupiter-engine.version>
         <guava.version>32.1.3-jre</guava.version>
         <truth.version>0.42</truth.version>
-        <logback-classic.version>1.5.19</logback-classic.version>
+        <logback-classic.version>1.5.20</logback-classic.version>
         <jansi.version>1.18</jansi.version>
         <im4java.version>1.4.0</im4java.version>
         <properties-maven-plugin.version>1.0.0</properties-maven-plugin.version>