core: bump version

.github/workflows/build.yml

@@ -37,5 +37,5 @@ jobs:
         file: ./.coverage/lcov.info
         name: codecov
     - name: Publish
-      if: ${{ github.event_name == "push" }}
+      if: ${{ github.event_name == 'push' }}
       run: node build/publish.js

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.13.56",
+    "version": "2.13.57",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",