Fix versions

mirai-core-qqandroid/build.gradle.kts

@@ -24,10 +24,12 @@ fun ktor(id: String, version: String) = "io.ktor:ktor-$id:$version"
 
 
 description = "QQ protocol library"
-version = rootProject.ext.get("miraiVersion")!!.toString()
 
 val isAndroidSDKAvailable: Boolean by project
 
+val miraiVersion: String by project
+version = miraiVersion
+
 kotlin {
     if (isAndroidSDKAvailable) {
         apply(from = rootProject.file("gradle/android.gradle"))

mirai-core/build.gradle.kts

@@ -27,6 +27,9 @@ description = "QQ protocol library"
 
 val isAndroidSDKAvailable: Boolean by project
 
+val miraiVersion: String by project
+version = miraiVersion
+
 kotlin {
     if (isAndroidSDKAvailable) {
         apply(from = rootProject.file("gradle/android.gradle"))