Dependency(deps): Bump proguard-base from 4.9 to 6.2.2

Bumps proguard-base from 4.9 to 6.2.2.

Signed-off-by: dependabot[bot] <support@github.com>

jplag/pom.xml

@@ -139,7 +139,7 @@
           <dependency>
             <groupId>net.sf.proguard</groupId>
             <artifactId>proguard-base</artifactId>
-            <version>4.9</version>
+            <version>6.2.2</version>
             <scope>runtime</scope>
           </dependency>
         </dependencies>