Update dependencies

Signed-off-by: Graham <gpe@openrs2.dev>

buildSrc/src/main/java/Versions.kt

@@ -2,7 +2,7 @@ object Versions {
     const val asm = "7.3.1"
     const val bouncyCastle = "1.64"
     const val dependencyLicenseReport = "1.13"
-    const val fernflower = "1.0.3"
+    const val fernflower = "1.0.4-SNAPSHOT"
     const val guava = "28.2-jre"
     const val guice = "4.2.2"
     const val inlineLogger = "1.0.2"
@@ -13,7 +13,7 @@ object Versions {
     const val kotlin = "1.3.70"
     const val kotlinter = "2.3.2"
     const val logback = "1.2.3"
-    const val netty = "4.1.46.Final"
+    const val netty = "4.1.47.Final"
     const val openrs2Natives = "2.0.1"
     const val shadowPlugin = "5.2.0"
     const val versionsPlugin = "0.28.0"