Fixed pnpm being called without being installed

Dockerfile

@@ -5,7 +5,7 @@ RUN npx pnpm i
 COPY package.json pnpm-lock.yaml *.config.js postcss.config.cjs tailwind.config.js vite.config.js index.html ./
 COPY src ./src
 COPY public ./public
-RUN pnpm build
+RUN npm run build
 # final image
 FROM registry.odit.services/library/nginx-brotli:3.15 as final
 COPY --from=build /app/dist /usr/share/nginx/html