refactor: Dockerfile mount

Signed-off-by: Dmitriy Safronov <zimniy@cyberbrain.pw>

Dockerfile

@@ -2,8 +2,9 @@
 FROM node:23.6.1 AS builder
 ENV NODE_ENV=production
 WORKDIR /app
-COPY package*.json ./
-RUN --mount=type=secret,id=npmrc,target=/home/node/.npmrc \
+RUN --mount=type=bind,source=package.json,target=package.json \
+    --mount=type=bind,source=package-lock.json,target=package-lock.json \
+    --mount=type=secret,id=npmrc,target=/home/node/.npmrc \
     npm ci --omit=dev
 COPY . .
 RUN npm run build