Bump sockjs from 0.3.19 to 0.3.21

Bumps [sockjs](https://github.com/sockjs/sockjs-node) from 0.3.19 to 0.3.21.
- [Release notes](https://github.com/sockjs/sockjs-node/releases)
- [Changelog](https://github.com/sockjs/sockjs-node/blob/v0.3.21/Changelog)
- [Commits](sockjs/sockjs-node@v0.3.19...v0.3.21)

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

yarn.lock

@@ -4514,17 +4514,10 @@ fastparse@^1.1.1:
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.2.tgz#91728c5a5942eced8531283c79441ee4122c35a9"
   integrity sha512-483XLLxTVIwWK3QTrMGRqUfUpoOs/0hbQrl2oz4J0pAcm3A3bu84wxTFqGqkJzewCLdME38xJLJAxBABfQT8sQ==
 
-faye-websocket@^0.10.0:
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
-  integrity sha1-TkkvjQTftviQA1B/btvy1QHnxvQ=
-  dependencies:
-    websocket-driver ">=0.5.1"
-
-faye-websocket@~0.11.0, faye-websocket@~0.11.1:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.1.tgz#f0efe18c4f56e4f40afc7e06c719fd5ee6188f38"
-  integrity sha1-8O/hjE9W5PQK/H4Gxxn9XuYYjzg=
+faye-websocket@^0.11.3, faye-websocket@~0.11.0, faye-websocket@~0.11.1:
+  version "0.11.3"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.3.tgz#5c0e9a8968e8912c286639fde977a8b209f2508e"
+  integrity sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==
   dependencies:
     websocket-driver ">=0.5.1"
 
@@ -5982,10 +5975,10 @@ http-errors@^1.3.0:
     statuses ">= 1.5.0 < 2"
     toidentifier "1.0.0"
 
-http-parser-js@>=0.4.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.5.0.tgz#d65edbede84349d0dc30320815a15d39cc3cbbd8"
-  integrity sha512-cZdEF7r4gfRIq7ezX9J0T+kQmJNOub71dWbgAXVHDct80TKP4MCETtZQ31xyv38UwgzkWPYF/Xc0ge55dW9Z9w==
+http-parser-js@>=0.5.1:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.5.3.tgz#01d2709c79d41698bb01d4decc5e9da4e4a033d9"
+  integrity sha512-t7hjvef/5HEK7RWTdUzVUhl8zkEu+LlaE0IYzdMuvbSDipxBRpOn4Uhw8ZyECEa808iVT8XCjzo6xmYt4CiLZg==
 
 http-proxy-middleware@~0.17.1:
   version "0.17.4"
@@ -10686,6 +10679,11 @@ safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@>=5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -11172,12 +11170,13 @@ sockjs-client@^1.0.3:
     url-parse "^1.4.3"
 
 sockjs@^0.3.15:
-  version "0.3.19"
-  resolved "https://registry.yarnpkg.com/sockjs/-/sockjs-0.3.19.tgz#d976bbe800af7bd20ae08598d582393508993c0d"
-  integrity sha512-V48klKZl8T6MzatbLlzzRNhMepEys9Y4oGFpypBFFn1gLI/QQ9HtLLyWJNbPlwGLelOVOEijUbTTJeLLI59jLw==
+  version "0.3.21"
+  resolved "https://registry.yarnpkg.com/sockjs/-/sockjs-0.3.21.tgz#b34ffb98e796930b60a0cfa11904d6a339a7d417"
+  integrity sha512-DhbPFGpxjc6Z3I+uX07Id5ZO2XwYsWOrYjaSeieES78cq+JaJvVe5q/m1uvjIQhXinhIeCFRH6JgXe+mvVMyXw==
   dependencies:
-    faye-websocket "^0.10.0"
-    uuid "^3.0.1"
+    faye-websocket "^0.11.3"
+    uuid "^3.4.0"
+    websocket-driver "^0.7.4"
 
 sort-keys-length@^1.0.0:
   version "1.0.1"
@@ -12449,10 +12448,10 @@ uuid@3.2.1:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
   integrity sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA==
 
-uuid@^3.0.0, uuid@^3.0.1, uuid@^3.1.0, uuid@^3.3.2:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
-  integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
+uuid@^3.0.0, uuid@^3.0.1, uuid@^3.1.0, uuid@^3.3.2, uuid@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
+  integrity sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==
 
 v8-compile-cache@^1.1.0:
   version "1.1.2"
@@ -12705,18 +12704,19 @@ webpack@^1.13.3:
     watchpack "^0.2.1"
     webpack-core "~0.6.9"
 
-websocket-driver@>=0.5.1:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.0.tgz#0caf9d2d755d93aee049d4bdd0d3fe2cca2a24eb"
-  integrity sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=
+websocket-driver@>=0.5.1, websocket-driver@^0.7.4:
+  version "0.7.4"
+  resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.4.tgz#89ad5295bbf64b480abcba31e4953aca706f5760"
+  integrity sha512-b17KeDIQVjvb0ssuSDF2cYXSg2iztliJ4B9WdsuB6J952qCPKmnVq4DyW5motImXHDC1cBT/1UezrJVsKw5zjg==
   dependencies:
-    http-parser-js ">=0.4.0"
+    http-parser-js ">=0.5.1"
+    safe-buffer ">=5.1.0"
     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-fetch@>=0.10.0:
   version "3.0.0"