chore: update npm tag 20-alpine

aldo adds module property with value NodeNext in tsconfig.json

OliverBooth/Dockerfile

@@ -3,7 +3,7 @@ WORKDIR /app
 EXPOSE 80
 EXPOSE 443
 
-FROM node:alpine as build-deps
+FROM node:20-alpine as build-deps
 WORKDIR /src
 COPY package.json package-lock.json ./
 RUN npm i -g gulp-cli

tsconfig.json

@@ -2,6 +2,7 @@
   "compilerOptions": {
     "lib": ["ES2022", "DOM"],
     "target": "ES2022",
-    "moduleResolution": "nodenext"
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext"
   }
 }