fix open security issues

package.json

@@ -45,9 +45,9 @@
     "file-loader": "4.3.0",
     "front-matter": "2.3.0",
     "fs-extra": "^8.1.0",
-    "highlight.js": "9.12.0",
+    "highlight.js": "10.5.0",
     "html-webpack-plugin": "4.0.0-beta.11",
-    "jest": "24.9.0",
+    "jest": "^26.6.3",
     "marked": "0.3.18",
     "mini-css-extract-plugin": "0.9.0",
     "moment": "2.22.1",