Merge pull request #750 from librespot-org/dependabot/maven/log4j.version-2.21.1

Bump log4j.version from 2.20.0 to 2.21.1

Author: devgianlu

pom.xml

@@ -56,7 +56,7 @@
         <gson.version>2.10.1</gson.version>
         <protobuf.version>3.24.4</protobuf.version>
         <slf4j-api.version>2.0.9</slf4j-api.version>
-        <log4j.version>2.20.0</log4j.version>
+        <log4j.version>2.21.1</log4j.version>
         <lmax-disruptor.version>3.4.4</lmax-disruptor.version>
     </properties>