chore(deps): bump websocket-extensions from 0.1.3 to 0.1.4

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4.
- [Release notes](https://github.com/faye/websocket-extensions-node/releases)
- [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md)
- [Commits](faye/websocket-extensions-node@0.1.3...0.1.4)

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -305,7 +305,7 @@
 
 "@types/[email protected]":
   version "6.0.41"
-  resolved "http://registry.npmjs.org/@types/node/-/node-6.0.41.tgz#578cf53aaec65887bcaf16792f8722932e8ff8ea"
+  resolved "https://registry.npmjs.org/@types/node/-/node-6.0.41.tgz#578cf53aaec65887bcaf16792f8722932e8ff8ea"
 
 "@types/node@^8.10.50":
   version "8.10.59"
@@ -8611,7 +8611,7 @@ semver-diff@^2.0.0:
 
 [email protected]:
   version "4.3.2"
-  resolved "http://registry.npmjs.org/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
+  resolved "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
 
 semver@^5.0.1:
   version "5.6.0"
@@ -10149,8 +10149,9 @@ websocket-driver@>=0.5.1:
     websocket-extensions ">=0.1.1"
 
 websocket-extensions@>=0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
+  integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
 well-known-symbols@^1.0.0:
   version "1.0.0"