refactor(backends): Rename GTK -> WebKitGtk

Makes a lot more sense for upstream.

backends/_all/pom.xml

@@ -12,19 +12,19 @@
 	<dependencies>
 		<dependency>
 			<groupId>co.casterlabs.saucer4j</groupId>
-			<artifactId>gtk</artifactId>
+			<artifactId>qt</artifactId>
 			<version>${project.parent.version}</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>co.casterlabs.saucer4j</groupId>
-			<artifactId>qt</artifactId>
+			<artifactId>webkit</artifactId>
 			<version>${project.parent.version}</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>co.casterlabs.saucer4j</groupId>
-			<artifactId>webkit</artifactId>
+			<artifactId>webkitgtk</artifactId>
 			<version>${project.parent.version}</version>
 			<scope>compile</scope>
 		</dependency>

backends/pom.xml

@@ -5,10 +5,10 @@
 
 	<modules>
 		<module>_all</module>
-		<module>gtk</module>
 		<module>qt</module>
 		<module>qt_experimental</module>
 		<module>webkit</module>
+		<module>webkitgtk</module>
 		<module>webview2</module>
 	</modules>
 

backends/gtk/pom.xml → backends/webkitgtk/pom.xml

@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<artifactId>gtk</artifactId>
+	<artifactId>webkitgtk</artifactId>
 
 	<parent>
 		<groupId>co.casterlabs.saucer4j</groupId>

backends/gtk/src/main/java/co/casterlabs/saucer/_impl/BackendGtk4.java → backends/webkitgtk/src/main/java/co/casterlabs/saucer/_impl/BackendWebKitGtk.java

@@ -6,12 +6,12 @@
 
 @SuppressWarnings("deprecation")
 @FindThisSaucerBackend(2) // Should be higher than Qt6
-public class BackendGtk4 extends _SaucerBackend {
+public class BackendWebKitGtk extends _SaucerBackend {
 
     @Override
     public boolean checkDependencies() throws IOException {
         return checkForLibraries(
-            "libgtk-4-1",
+            "libgtk-4",
             "libwebkitgtk-6.0",
             "libadwaita-1"
         );
@@ -36,7 +36,7 @@ public String[] supportedArchTargets() {
 
     @Override
     public String getType() {
-        return "Gtk4";
+        return "WebKitGtk";
     }
 
     @Override