upgrade upload-artifact

Author: NfNitLoop

.github/workflows/build.yml

@@ -62,7 +62,7 @@ jobs:
       run: cargo build --release
 
     - name: Save result
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: "Diskuto-${{ matrix.os }}"
         path: |