build: use Indra java version setter

Author: xtexChooser

build.gradle

@@ -33,8 +33,17 @@ dependencies {
     modRuntimeOnly 'me.shedaniel:RoughlyEnoughItems-fabric:9.1.541'
 }
 
-sourceCompatibility = JavaVersion.VERSION_17
-targetCompatibility = JavaVersion.VERSION_17
+indra {
+    javaVersions {
+        target 17
+    }
+}
+
+compileKotlin {
+    kotlinOptions {
+        jvmTarget = '17'
+    }
+}
 
 loom {
     accessWidenerPath.set file("src/main/resources/scp-sharp.accesswidener")
@@ -52,16 +61,6 @@ processResources {
     }
 }
 
-tasks.withType(JavaCompile).configureEach {
-    it.options.release.set 17
-}
-
-compileKotlin {
-    kotlinOptions {
-        jvmTarget = '17'
-    }
-}
-
 jar {
     from('LICENSE') {
         rename { "${it}_${project.name}" }