Element implicitly has an 'any' type because expression of type 'number' can't be used to index type '{ 1: string; 2: string; 3: string; }'.

Argument of type 'unknown' is not assignable to parameter of type 'string'.

'courses' is declared but its value is never read.

Process completed with exit code 2.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-node@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.