chore: update Java toolchain to version 17

build.gradle

@@ -5,9 +5,6 @@ plugins {
 group 'me.creepermaxcz.mc-bots'
 version '1.2.14'
 
-sourceCompatibility = 1.17
-targetCompatibility = 1.17
-
 repositories {
     mavenCentral()
     maven { url 'https://jitpack.io' }
@@ -25,6 +22,12 @@ dependencies {
     implementation 'org.jline:jline:3.22.0'
 }
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
+}
+
 jar {
     manifest {
         attributes 'Main-Class': 'me.creepermaxcz.mcbots.Main'