Update Upload artifact to v4

Author: HumabHatterZed

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
         unzip build/* -d out
         
     - name: Upload Artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: InscryptionAPI
         path: out/