Update plugins and fix Maven publishing task configuration

Upgraded Foojay and Dokka plugins to newer versions for compatibility and added proper dependency handling for signing tasks in Maven publishing. This ensures the publication process aligns with the updated project configuration.

build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
     kotlin("multiplatform") version "2.0.21"
     `maven-publish`
     signing
+    id("org.jetbrains.dokka") version "1.5.31"
 }
 
 group = "nl.astraeus"
@@ -99,10 +100,10 @@ publishing {
     }
 }
 
-signing {
-    sign(publishing.publications)
-}
-
-tasks.withType<PublishToMavenRepository> {
+tasks.withType<AbstractPublishToMaven> {
     dependsOn(tasks.withType<Sign>())
 }
+
+signing {
+    sign(publishing.publications)
+}

settings.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-  id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0"
+  id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
 }
 
 rootProject.name = "midi-arrays"