Update Proguard to 5.3.3

build.gradle.kts

@@ -20,6 +20,7 @@ buildscript {
     extra["repos"] = repos
 
     extra["versions.shadow"] = "2.0.1"
+    extra["versions.proguard"] = "5.3.3"
 
     repositories {
         for (repo in repos) {

libraries/reflect/build.gradle.kts

@@ -16,7 +16,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath("net.sf.proguard:proguard-gradle:5.2.1")
+        classpath("net.sf.proguard:proguard-gradle:${property("versions.proguard")}")
         classpath("com.github.jengelman.gradle.plugins:shadow:${property("versions.shadow")}")
     }
 }

prepare/compiler/build.gradle.kts

@@ -13,7 +13,7 @@ buildscript {
 
     dependencies {
         classpath("com.github.jengelman.gradle.plugins:shadow:${property("versions.shadow")}")
-        classpath("net.sf.proguard:proguard-gradle:5.3.1")
+        classpath("net.sf.proguard:proguard-gradle:${property("versions.proguard")}")
     }
 }