Bump http-proxy from 1.17.0 to 1.18.1

Bumps [http-proxy](https://github.com/http-party/node-http-proxy) from 1.17.0 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](https://github.com/http-party/node-http-proxy/compare/1.17.0...1.18.1)

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

package-lock.json

@@ -3091,12 +3091,6 @@
             "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
             "dev": true
         },
-        "eventemitter3": {
-            "version": "3.1.0",
-            "resolved": "http://registry.npm.taobao.org/eventemitter3/download/eventemitter3-3.1.0.tgz",
-            "integrity": "sha1-CQtNbNvWRe0Qv3UNS1QHlC17oWM=",
-            "dev": true
-        },
         "events": {
             "version": "3.0.0",
             "resolved": "http://registry.npm.taobao.org/events/download/events-3.0.0.tgz",
@@ -4578,14 +4572,22 @@
             "dev": true
         },
         "http-proxy": {
-            "version": "1.17.0",
-            "resolved": "http://registry.npm.taobao.org/http-proxy/download/http-proxy-1.17.0.tgz",
-            "integrity": "sha1-etOElGWPhGBeL220Q230EPTlvpo=",
+            "version": "1.18.1",
+            "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+            "integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
             "dev": true,
             "requires": {
-                "eventemitter3": "^3.0.0",
+                "eventemitter3": "^4.0.0",
                 "follow-redirects": "^1.0.0",
                 "requires-port": "^1.0.0"
+            },
+            "dependencies": {
+                "eventemitter3": {
+                    "version": "4.0.7",
+                    "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+                    "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+                    "dev": true
+                }
             }
         },
         "http-proxy-middleware": {