chore(deps): update node.js to v20 (#354)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Dockerfile

@@ -1,5 +1,5 @@
 # Install the following packages:
-FROM node:18 as base
+FROM node:20 as base
 
 WORKDIR /usr/src/app
 

package.json

@@ -55,7 +55,7 @@
 		"@sapphire/ts-config": "3.3.4",
 		"@swc/core": "1.3.53",
 		"@types/eslint": "8.37.0",
-		"@types/node": "18.15.13",
+		"@types/node": "20.14.10",
 		"@types/nodemailer": "6.4.7",
 		"@types/ws": "8.5.4",
 		"@typescript-eslint/eslint-plugin": "5.59.0",

yarn.lock

@@ -1175,10 +1175,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:18.15.13":
-  version: 18.15.13
-  resolution: "@types/node@npm:18.15.13"
-  checksum: 79cc5a2b5f98e8973061a4260a781425efd39161a0e117a69cd089603964816c1a14025e1387b4590c8e82d05133b7b4154fa53a7dffb3877890a66145e76515
+"@types/node@npm:20.14.10":
+  version: 20.14.10
+  resolution: "@types/node@npm:20.14.10"
+  dependencies:
+    undici-types: ~5.26.4
+  checksum: 2f397d393de8cddb126e0b7999402ea450215ac69d49666ddef4f730a73325054499ce7345f86095e7b935c55b2e02139f3b8b9afc72fb978ed29edf6bb956b0
   languageName: node
   linkType: hard
 
@@ -1502,7 +1504,7 @@ __metadata:
     "@skyra/env-utilities": ^1.1.0
     "@swc/core": 1.3.53
     "@types/eslint": 8.37.0
-    "@types/node": 18.15.13
+    "@types/node": 20.14.10
     "@types/nodemailer": 6.4.7
     "@types/ws": 8.5.4
     "@typescript-eslint/eslint-plugin": 5.59.0
@@ -6177,6 +6179,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~5.26.4":
+  version: 5.26.5
+  resolution: "undici-types@npm:5.26.5"
+  checksum: 3192ef6f3fd5df652f2dc1cd782b49d6ff14dc98e5dced492aa8a8c65425227da5da6aafe22523c67f035a272c599bb89cfe803c1db6311e44bed3042fc25487
+  languageName: node
+  linkType: hard
+
 "undici@npm:^5.13.0":
   version: 5.19.1
   resolution: "undici@npm:5.19.1"