Bump https-proxy-agent from 2.2.1 to 2.2.4

Bumps [https-proxy-agent](https://github.com/TooTallNate/node-https-proxy-agent) from 2.2.1 to 2.2.4.
- [Release notes](https://github.com/TooTallNate/node-https-proxy-agent/releases)
- [Commits](https://github.com/TooTallNate/node-https-proxy-agent/compare/2.2.1...2.2.4)

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

package-lock.json

@@ -2929,15 +2929,24 @@
 			}
 		},
 		"https-proxy-agent": {
-			"version": "2.2.1",
-			"resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz",
-			"integrity": "sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==",
+			"version": "2.2.4",
+			"resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz",
+			"integrity": "sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==",
 			"dev": true,
 			"requires": {
-				"agent-base": "^4.1.0",
+				"agent-base": "^4.3.0",
 				"debug": "^3.1.0"
 			},
 			"dependencies": {
+				"agent-base": {
+					"version": "4.3.0",
+					"resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+					"integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
+					"dev": true,
+					"requires": {
+						"es6-promisify": "^5.0.0"
+					}
+				},
 				"debug": {
 					"version": "3.2.6",
 					"resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
@@ -2948,9 +2957,9 @@
 					}
 				},
 				"ms": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-					"integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+					"version": "2.1.2",
+					"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+					"integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
 					"dev": true
 				}
 			}