chore: upload code coverage report to Deploy

[kt3k]

This PR add the CI step, which upload the html coverage report to Deploy on every push to main branch and host them using jsr:@std/http/file-server.

The builtin html coverage report of std test will be visible at https://std-coverage.deno.dev/ after the successful upload.

closes #5982

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.53%. Comparing base (a73ff94) to head (27c6bdb).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6203 +/- ## ======================================= Coverage 96.52% 96.53% ======================================= Files 533 533 Lines 40870 40870 Branches 6120 6121 +1 ======================================= + Hits 39451 39453 +2 + Misses 1377 1375 -2 Partials 42 42 ```

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[iuioiua]

Cool to see this done! This could be the seed for a new use for Deno as a toolchain. Nice!