Moved installer to dedicated build directory to avoid github action issues

.github/workflows/package.yml

@@ -18,9 +18,8 @@ jobs:
         with:
           java-version: 17
       - run: ./gradlew --no-daemon clean test jpackage
-      - run: mkdir staging && cp build/jpackage/*.* staging/
       - name: Upload
         uses: actions/upload-artifact@v2
         with:
           name: ProjectSWG-${{matrix.os}}
-          path: staging
+          path: build/installer

build.gradle.kts

@@ -139,6 +139,7 @@ jlink {
 		
 		imageName = "ProjectSWG"
 		installerName = "ProjectSWG"
+		installerOutputDir = File("${buildDir.absolutePath}/installer")
 		
 		installerType = when(platform) {
 			"linux" -> "deb"