Improve currency validation by using java.util.Currency

Remove unused commands
Update dependencies

pom.xml

@@ -102,7 +102,7 @@
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-assembly-plugin</artifactId>
-            <version>3.3.0</version>
+            <version>3.4.2</version>
         </dependency>
 
         <dependency>
@@ -118,7 +118,7 @@
         <dependency>
             <groupId>com.github.walkyst</groupId>
             <artifactId>lavaplayer-fork</artifactId>
-            <version>1.3.98.3</version>
+            <version>1.3.98.4</version>
         </dependency>
 
         <dependency>
@@ -140,7 +140,7 @@
         <dependency>
             <groupId>io.sentry</groupId>
             <artifactId>sentry</artifactId>
-            <version>6.0.0</version>
+            <version>6.4.0</version>
         </dependency>
         <dependency>
             <groupId>p6spy</groupId>
@@ -164,17 +164,17 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.29</version>
+            <version>8.0.30</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.17.2</version>
+            <version>2.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.2</version>
+            <version>2.18.0</version>
         </dependency>
 
         <dependency>