fix(proxy-container): docker builds

[didinele]

Please describe the changes this PR makes and why it should be merged:
Closes #9088

because apparently root cli dev deps were inaccessible in the late stage of yarn ??

either way, once vercel/turborepo#2791 is completely resolved, we can move to something like this:

FROM node:18-alpine as builder

RUN apk update
RUN apk add --no-cache libc6-compat

WORKDIR /usr/proxy

COPY . .
RUN yarn dlx turbo prune --scope=@discordjs/proxy-container --docker

FROM node:18-alpine AS installer

RUN apk update
RUN apk add --no-cache libc6-compat

WORKDIR /usr/proxy

COPY .gitignore .gitignore
COPY .yarn/ .yarn/
COPY .yarnrc.yml .yarnrc.yml
COPY --from=builder /usr/proxy/out/json/ .
COPY --from=builder /usr/proxy/out/yarn.lock ./yarn.lock

RUN yarn install --immutable --inline-builds

COPY tsup.config.ts tsup.config.ts
COPY turbo.json turbo.json
COPY tsconfig.json tsconfig.json
RUN yarn turbo run build --filter=@discordjs/proxy-container

RUN yarn workspaces focus @discordjs/proxy-container --production

FROM node:18-alpine AS runner

WORKDIR /usr/proxy

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 proxy
USER proxy

COPY --from=installer /usr/proxy .

CMD ["node", "--enable-source-maps", "packages/proxy-container/dist/index.js"]

Status and versioning classification:

[vercel]

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2 Ignored Deployments

Name	Status	Preview	Updated (UTC)
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