David Ordás 62d466df22
ci(check-urls): use a matrix to speed-up execution (#7060)
* ci(check-urls): use a matrix to speed-up execution

The matrix strategy creates 10 max-parallel workers with a disabled fail-fast parameter

Examples
- Before: https://github.com/davorpa/free-programming-books/actions/runs/2999590952
- After: https://github.com/davorpa/free-programming-books/actions/runs/3007199364

Running the workflow when -langs or -subject files are involved could exhaust the runner execution max-time.

Using this implementation... the elapsed time is of the longest execution time, normally no more than 30min on the worst of cases

* fix: parallel strategy when matrix files.length == 0

* security: apply EbookFoundation/free-programming-books#9287

::set-output --> GITHUB_OUTPUT env file
2023-02-24 11:35:13 -05:00
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