ci: outdated workflow action

Signed-off-by: 82Flex <82flex@gmail.com>

Author: Lessica

.github/workflows/theos.yml

@@ -66,7 +66,7 @@ jobs:
           find .theos/obj -name "*.dSYM" -exec cp -r {} . \;
 
       - name: Upload Packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: packages-${{ env.VERSION }}
           path: |