Bump js-yaml from 3.8.3 to 3.13.1

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.8.3 to 3.13.1.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.8.3...3.13.1)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

yarn.lock

@@ -58,9 +58,9 @@ ansi-styles@^2.2.1:
   integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
 
 argparse@^1.0.7:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
-  integrity sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
   dependencies:
     sprintf-js "~1.0.2"
 
@@ -393,10 +393,10 @@ espree@^3.4.0:
     acorn "^5.0.1"
     acorn-jsx "^3.0.0"
 
-esprima@^3.1.1:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
-  integrity sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM=
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
 esquery@^1.0.0:
   version "1.0.0"
@@ -752,12 +752,12 @@ js-tokens@^3.0.0:
   integrity sha1-COnxMkhKLEWjCQfp3E1VZ7fxFNc=
 
 js-yaml@^3.5.1:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
-  integrity sha1-M6BexIHIUMiHWSkWb+G+thxyh2Y=
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
   dependencies:
     argparse "^1.0.7"
-    esprima "^3.1.1"
+    esprima "^4.0.0"
 
 json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
   version "1.0.1"