Improve gradle

Mostly taken from Quilt's template mod.

- No longer JIJs FAPI
- Update gradle wrapper

build.gradle

@@ -1,50 +1,33 @@
 plugins {
-    id 'fabric-loom' version '0.11.+'
-    id 'io.github.juuxel.loom-quiltflower' version '1.6.0'
-    id 'org.quiltmc.quilt-mappings-on-loom' version '4.0.0'
-    id 'org.ajoberstar.grgit' version '5.0.0'
+    alias(libs.plugins.fabric.loom)
+    alias(libs.plugins.loom.quiltflower)
+    alias(libs.plugins.qmol)
+    alias(libs.plugins.grgit)
 }
 
-sourceCompatibility = '17'
-targetCompatibility = '17'
-
 archivesBaseName = project.archives_base_name
 version = "${project.mod_version}+${getMetadata()}"
 group = project.maven_group
 
 repositories {
     maven {
-        name = "Modrinth"
-        url = "https://api.modrinth.com/maven"
+        name = 'Modrinth'
+        url = 'https://api.modrinth.com/maven'
         content {
-            includeGroup "maven.modrinth"
+            includeGroup 'maven.modrinth'
         }
     }
 }
 
-var apiModules = [
-        "fabric-api-base",
-        "fabric-networking-api-v1",
-        "fabric-object-builder-api-v1",
-        "fabric-registry-sync-v0"
-]
-
 dependencies {
-    // To change the versions see the gradle.properties file
-    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    minecraft libs.minecraft
     mappings loom.layered {
-        it.mappings("net.fabricmc:yarn:${project.minecraft_version}+build.${project.yarn_mappings}:v2")
-        it.addLayer(quiltMappings.mappings("org.quiltmc:quilt-mappings:${project.minecraft_version}+build.${project.quilt_mappings}:v2"))
+        addLayer quiltMappings.mappings("org.quiltmc:quilt-mappings:${libs.versions.quilt.mappings.get()}:v2")
     }
-    modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+    modImplementation libs.fabric.loader
 
-    // Fabric API
-    apiModules.forEach {
-        include modImplementation(fabricApi.module(it, project.fabric_version))
-    }
-
-    // Sodium
-    modCompileOnly "maven.modrinth:sodium:${project.sodium_version}"
+    modImplementation libs.fabric.api
+    modCompileOnly libs.sodium
 }
 
 processResources {
@@ -58,9 +41,15 @@ processResources {
 
 tasks.withType(JavaCompile) {
     it.options.encoding = 'UTF-8'
+    // Minecraft 1.18 (1.18-pre2) upwards uses Java 17.
+    it.options.release = 17
 }
 
 java {
+    // Still required by IDEs such as Eclipse and Visual Studio Code
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+
     withSourcesJar()
 }
 
@@ -71,13 +60,13 @@ jar {
 }
 
 def getMetadata() {
-    def build_id = System.getenv("GITHUB_RUN_NUMBER")
-    def workflow_id = System.getenv("GITHUB_WORKFLOW")
+    def build_id = System.getenv('GITHUB_RUN_NUMBER')
+    def workflow_id = System.getenv('GITHUB_WORKFLOW')
 
-    def metadata = project.minecraft_version
+    def metadata = libs.versions.minecraft.get()
 
     // Release builds only
-    if (workflow_id == "build-release") {
+    if (workflow_id == 'build-release') {
         return metadata
     }
 
@@ -89,7 +78,7 @@ def getMetadata() {
 
         // Flag the build if the build tree is not clean
         if (!grgit.status().clean) {
-            id += "-dirty"
+            id += '-dirty'
         }
 
         metadata += "-${id}"