chore: update node version to 18 in Dockerfile (#639)

Dockerfile

@@ -1,9 +1,9 @@
-FROM node:12-alpine AS build
+FROM node:18-alpine AS build
 WORKDIR /src
 COPY . .
 RUN npm ci && npm run build
 
-FROM node:12-alpine
+FROM node:18-alpine
 WORKDIR /app
 COPY --from=build /src/dist .
 ENTRYPOINT node /app/index.js

package.json

@@ -69,7 +69,7 @@
     "npm": ">=8.x"
   },
   "volta": {
-    "node": "18.10.0",
+    "node": "18.17.0",
-    "npm": "8.2.0"
+    "npm": "9.6.7"
   }
 }