feat(Dockerfile): remove npmmirror and update base version (#76)

1. remove npmmirror
2. synchronize the node and golang version to the version used by casdoor

Dockerfile

@@ -1,10 +1,9 @@
-FROM node:16.18.0 AS FRONT
+FROM node:18.19.0 AS FRONT
 WORKDIR /web
 COPY ./web .
-RUN yarn config set registry https://registry.npmmirror.com
 RUN yarn install --frozen-lockfile --network-timeout 1000000 && yarn run build
 
-FROM golang:1.19.9 AS BACK
+FROM golang:1.20.12 AS BACK
 WORKDIR /go/src/caswaf
 COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o server . \