Upgrade nextjs

[DavidASix]

Mitigating https://community.vercel.com/t/security-advisory-for-cve-2025-55182-and-cve-2025-66478/29095

[Copilot]

Pull request overview

This PR upgrades Next.js from version 15.1.6 to 16.0.7 to address security vulnerabilities CVE-2025-55182 and CVE-2025-66478. The upgrade includes updates to related dependencies and configuration changes to align with Next.js 16 requirements.

Key changes include:

• Next.js upgraded to version 16.0.7 with corresponding dependency updates (next-auth, nodemailer)
• TypeScript JSX compilation mode changed from "preserve" to "react-jsx" to support the new JSX transform
• ESLint configuration updated with explicit ignores and custom rules, with eslint command modified for better caching

Reviewed changes

Copilot reviewed 3 out of 5 changed files in this pull request and generated 1 comment.

File	Description
package.json	Upgrades Next.js to 16.0.7, next-auth to beta.30, nodemailer to 7.0.11, and updates eslint command for improved caching
tsconfig.json	Updates JSX compiler to "react-jsx", reformats configuration arrays, and adds .next/dev/types path to includes
eslint.config.mjs	Adds explicit ignore patterns and disables @typescript-eslint/no-require-imports rule
Dockerfile	Changes base image from node:23-alpine3.20 to node:23-slim for better compatibility

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[Copilot]

The Next.js version has been upgraded to ^16.0.7, but eslint-config-next on line 74 is still at version 15.1.6. These should be kept in sync. Update eslint-config-next to match the Next.js version (e.g., ^16.0.7).