ci: enforce ignore-scripts policy for Node package managers

react-express-mongodb/backend/Dockerfile

@@ -7,6 +7,8 @@ WORKDIR /usr/src/app
 
 COPY package.json /usr/src/app/package.json
 COPY package-lock.json /usr/src/app/package-lock.json
+COPY .npmrc .
+COPY .yarnrc.yml .
 RUN npm ci
 
 COPY . /usr/src/app