Fixup maven publishing

build.gradle

@@ -3,6 +3,7 @@ plugins {
     id 'idea'
     id "architectury-plugin" version "3.4-SNAPSHOT"
     id "dev.architectury.loom" version "1.5-SNAPSHOT" apply false
+    id "maven-publish"
 }
 
 architectury {
@@ -14,6 +15,7 @@ version = mod_version
 
 subprojects {
     apply plugin: "dev.architectury.loom"
+    apply plugin: "maven-publish"
 
     loom {
         silentMojangMappingsLicense()
@@ -23,6 +25,19 @@ subprojects {
         minecraft "com.mojang:minecraft:${rootProject.minecraft_version}"
         mappings loom.officialMojangMappings()
     }
+
+    publishing {
+        repositories {
+            maven {
+                name = "GitHubPackages"
+                url = uri("https://maven.pkg.github.com/der-fruhling/create-train-perspective")
+                credentials {
+                    username = project.findProperty("gpr.user") ?: System.getenv("USERNAME")
+                    password = project.findProperty("gpr.key") ?: System.getenv("TOKEN")
+                }
+            }
+        }
+    }
 }
 
 allprojects {
@@ -54,17 +69,4 @@ allprojects {
     java {
         withSourcesJar()
     }
-
-    publishing {
-        repositories {
-            maven {
-                name = "GitHubPackages"
-                url = "https://maven.pkg.github.com/der-fruhling/create-train-perspective"
-                credentials {
-                    username = System.getenv("GITHUB_ACTOR")
-                    password = System.getenv("GITHUB_TOKEN")
-                }
-            }
-        }
-    }
 }

common/build.gradle

@@ -2,6 +2,9 @@ architectury {
     common(rootProject.enabled_platforms.split(","))
 }
 
+group = rootProject.group
+version = rootProject.version
+
 dependencies {
     // We depend on fabric loader here to use the fabric @Environment annotations and get the mixin dependencies
     // Do NOT use other classes from fabric loader