ci: use setup-deno@v2

[satyarohith]

Replace all instances of setup-deno@v1 with setup-deno@v2 and make sure the scripts work with Deno 2 (they mostly should).

[tsukasaI]

Hi. I've opened a PR for this issue. https://github.com/denoland/deno/pull/26474

Would appreciate if you have a look, thank you.

[scarf005]

this issue can be closed, #26474 resolved it but didn't mark it using https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/using-keywords-in-issues-and-pull-requests

[marvinhagemeister]

Resolved by https://github.com/denoland/deno/pull/26474