Add uri to publish and change token name

Author: miikaoskari

.github/workflows/gradle-publish.yml

@@ -43,5 +43,5 @@ jobs:
     - name: Publish to GitHub Packages
       run: ./gradlew publish
       env:
-        USERNAME: ${{ github.actor }}
-        TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_ACTOR: ${{ github.actor }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

build.gradle

@@ -156,7 +156,7 @@ publishing {
     repositories {
         maven {
             name = "GitHubPackages"
-            url = "https://maven.pkg.github.com/miikaoskari/ae2-universal-press"
+            url = uri("https://maven.pkg.github.com/miikaoskari/ae2-universal-press")
             credentials {
                 username = System.getenv("GITHUB_ACTOR")
                 password = System.getenv("GITHUB_TOKEN")