Bump websocket-extensions from 0.1.3 to 0.1.4 in /frontend

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]>

frontend/yarn.lock

@@ -7997,15 +7997,15 @@ react-dev-utils@^9.1.0:
     strip-ansi "5.2.0"
     text-table "0.2.0"
 
-[email protected]:
-  version "16.11.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.11.0.tgz#7e7c4a5a85a569d565c2462f5d345da2dd849af5"
-  integrity sha512-nrRyIUE1e7j8PaXSPtyRKtz+2y9ubW/ghNgqKFHHAHaeP0fpF5uXR+sq8IMRHC+ZUxw7W9NyCDTBtwWxvkb0iA==
+react-dom@^16.11.0:
+  version "16.13.1"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.1.tgz#c1bd37331a0486c078ee54c4740720993b2e0e7f"
+  integrity sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.17.0"
+    scheduler "^0.19.1"
 
 react-error-overlay@^6.0.3:
   version "6.0.3"
@@ -8078,10 +8078,10 @@ [email protected]:
   optionalDependencies:
     fsevents "2.0.7"
 
-[email protected]:
-  version "16.11.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.11.0.tgz#d294545fe62299ccee83363599bf904e4a07fdbb"
-  integrity sha512-M5Y8yITaLmU0ynd0r1Yvfq98Rmll6q8AxaEe88c8e7LxO8fZ2cNgmFt0aGAS9wzf1Ao32NKXtCl+/tVVtkxq6g==
+react@^16.11.0:
+  version "16.13.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.13.1.tgz#2e818822f1a9743122c063d6410d85c1e3afe48e"
+  integrity sha512-YMZQQq32xHLX0bz5Mnibv1/LHb3Sqzngu7xstSM+vrkE5Kzr9xE0yMByK5kMoTK30YVJE61WfbxIFFvfeDKT1w==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -8531,10 +8531,10 @@ saxes@^3.1.9:
   dependencies:
     xmlchars "^2.1.1"
 
-scheduler@^0.17.0:
-  version "0.17.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.17.0.tgz#7c9c673e4ec781fac853927916d1c426b6f3ddfe"
-  integrity sha512-7rro8Io3tnCPuY4la/NuI5F2yfESpnfZyT6TtkXnSWVkcu0BCDJ+8gk5ozUaFaxpIyNuWAPXrH0yFcSi28fnDA==
+scheduler@^0.19.1:
+  version "0.19.1"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.1.tgz#4f3e2ed2c1a7d65681f4c854fa8c5a1ccb40f196"
+  integrity sha512-n/zwRWRYSUj0/3g/otKDRPMh6qv2SYMWNq85IEa8iZyAv8od9zDYpGSnpBEjNgcMNq6Scbu5KfIPxNF72R/2EA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -9818,9 +9818,9 @@ 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"
-  integrity sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
+  integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
 whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3, whatwg-encoding@^1.0.5:
   version "1.0.5"