[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

contest/js/static_src/src/index_and_info.js

@@ -47,7 +47,7 @@ if (status !== 'taking contest') {
                 }
             } else {
                 await Swal.fire({
-                    title: "非常抱歉！",
+                    title: '非常抱歉！',
                     text: `当前答题人数已达容量 ${(traffic * 100).toFixed(0)}%，现在答题成绩可能异常。建议您稍后再参与。`,
                     icon: 'error',
                 })