build: Bump MixinExtras to 0.5.0-rc.1

Author: My-Name-Is-Jeff

build.gradle.kts

@@ -161,7 +161,7 @@ dependencies {
     }
     shadowMe("net.hypixel:mod-api-forge-tweaker:1.0.1.1")
 
-    shadowMe(annotationProcessor("io.github.llamalad7:mixinextras-common:0.5.0-beta.4")!!)
+    shadowMe(annotationProcessor("io.github.llamalad7:mixinextras-common:0.5.0-rc.1")!!)
     annotationProcessor("org.spongepowered:mixin:0.8.7:processor")
     compileOnly("org.spongepowered:mixin:0.8.5")
 }