fix version for prisma generate

Dockerfile

@@ -6,7 +6,7 @@ COPY package.json package-lock.json ./
 RUN npm install
 
 COPY ./prisma ./prisma
-RUN npx prisma generate
+RUN npx prisma@6.5.0 generate
 
 COPY ./next.config.ts ./tsconfig.json ./eslint.config.mjs ./
 COPY ./src ./src