fix: security issue

package.json

@@ -84,6 +84,9 @@
     "vue-property-decorator": "^8.2.2",
     "vuepress": "^0.14.2"
   },
+  "resolutions": {
+    "js-yaml": "^3.13.1"
+  },
   "jest": {
     "testRegex": "tests/unit/.*\\.test.js$"
   }

yarn.lock

@@ -4203,11 +4203,6 @@ espree@^6.1.1:
     acorn-jsx "^5.0.2"
     eslint-visitor-keys "^1.1.0"
 
-esprima@^2.6.0:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
-  integrity sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=
-
 esprima@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
@@ -6072,7 +6067,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@^3.11.0, js-yaml@^3.13.1:
+js-yaml@^3.11.0, js-yaml@^3.13.1, js-yaml@~3.7.0:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
@@ -6080,14 +6075,6 @@ js-yaml@^3.11.0, js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@~3.7.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"
-  integrity sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^2.6.0"
-
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"