fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539866
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539867
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539865

pom.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" ?>
+<?xml version="1.0"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
@@ -759,7 +759,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.11</version>
+            <version>1.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>