bump https-proxy-agent

frontend/package.json

@@ -190,6 +190,7 @@
     "@types/storybook__react": "^3.0.9",
     "rimraf": "2.6.2",
     "string-hash": "1.1.3",
-    "webapp-webpack-plugin": "2.3.1"
+    "webapp-webpack-plugin": "2.3.1",
+    "https-proxy-agent": "^2.2.3"
   }
 }

frontend/yarn.lock

@@ -2438,6 +2438,13 @@ agent-base@^4.1.0:
   dependencies:
     es6-promisify "^5.0.0"
 
+agent-base@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
+  integrity sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==
+  dependencies:
+    es6-promisify "^5.0.0"
+
 "airbnb-js-shims@^1 || ^2":
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/airbnb-js-shims/-/airbnb-js-shims-2.1.1.tgz#a509611480db7e6d9db62fe2acfaeb473b6842ac"
@@ -6530,6 +6537,14 @@ [email protected]:
     agent-base "^4.1.0"
     debug "^3.1.0"
 
+https-proxy-agent@^2.2.3:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz#4ee7a737abd92678a293d9b34a1af4d0d08c787b"
+  integrity sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==
+  dependencies:
+    agent-base "^4.3.0"
+    debug "^3.1.0"
+
 [email protected]:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/https-proxy/-/https-proxy-0.0.2.tgz#9e7d542f1ce8d37c06e1f940a8a9a227bb48ddf0"