Bump http-proxy from 1.16.2 to 1.18.1

Bumps [http-proxy](https://github.com/http-party/node-http-proxy) from 1.16.2 to 1.18.1.
- [Release notes](https://github.com/http-party/node-http-proxy/releases)
- [Changelog](https://github.com/http-party/node-http-proxy/blob/master/CHANGELOG.md)
- [Commits](http-party/node-http-proxy@1.16.2...1.18.1)

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

Author: dependabot[bot]

yarn.lock

@@ -1006,9 +1006,9 @@ eventemitter2@~0.4.13:
   version "0.4.14"
   resolved "https://registry.yarnpkg.com/eventemitter2/-/eventemitter2-0.4.14.tgz#8f61b75cde012b2e9eb284d4545583b5643b61ab"
 
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
 
 events@^1.0.0:
   version "1.1.1"
@@ -1170,6 +1170,10 @@ findup-sync@~0.3.0:
   dependencies:
     glob "~5.0.0"
 
+follow-redirects@^1.0.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.1.tgz#d9114ded0a1cfdd334e164e6662ad02bfd91ff43"
+
 for-in@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -1588,11 +1592,12 @@ http-proxy-middleware@~0.17.1:
     micromatch "^2.3.11"
 
 http-proxy@^1.13.0, http-proxy@^1.16.2:
-  version "1.16.2"
-  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.16.2.tgz#06dff292952bf64dbe8471fa9df73066d4f37742"
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
   dependencies:
-    eventemitter3 "1.x.x"
-    requires-port "1.x.x"
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
 
 http-signature@~1.1.0:
   version "1.1.1"
@@ -2687,7 +2692,7 @@ request@^2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
-requires-port@1.0.x, requires-port@1.x.x:
+requires-port@1.0.x, requires-port@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"