build: pnpm (#9806)

.github/workflows/publish-dev-docker.yml

@@ -18,10 +18,7 @@ jobs:
           node-version: 18
 
       - name: Install dependencies
-        uses: ./packages/actions/src/yarnCache
-
-      - name: Build dependencies
-        run: yarn build
+        uses: ./packages/actions/src/pnpmCache
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
@@ -30,4 +27,4 @@ jobs:
         run: echo ${{ secrets.DOCKER_ACCESS_TOKEN }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
 
       - name: Build & push docker image
-        run: yarn docker build --buildkit @discordjs/proxy-container -t discordjs/proxy:latest --push
+        run: docker build -f packages/proxy-container/Dockerfile -t discordjs/proxy:latest --push .