chore(ci) address Github actions warnings

[casimiro]

https://github.com/actions-rs has been archived and is no longer maintained.

[codecov[bot]]

Codecov Report

Merging #464 (fb053df) into main (388d572) will not change coverage. Report is 1 commits behind head on main. The diff coverage is n/a.

Additional details and impacted files

[](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/464?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) ```diff @@ Coverage Diff @@ ## main #464 +/- ## ============================================= Coverage 90.12645% 90.12645% ============================================= Files 46 46 Lines 9885 9885 ============================================= Hits 8909 8909 Misses 976 976 ``` | [Flag](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/464/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/464/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | `90.24166% <ø> (ø)` | | | [valgrind](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/464/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | `77.71793% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong#carryforward-flags-in-the-pull-request-comment) to find out more.

[thibaultcha]

Nice!