Support Elixir 1.19 / OTP 28 in CI

[kianmeng]

Also bump the actions/checkout.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.32%. Comparing base (ab86164) to head (8e9c711).
⚠️ Report is 10 commits behind head on main.
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Additional details and impacted files

@@             Coverage Diff             @@
##              main     #123      +/-   ##
===========================================
- Coverage   100.00%   99.32%   -0.68%     
===========================================
  Files            2        2              
  Lines          145      148       +3     
===========================================
+ Hits           145      147       +2     
- Misses           0        1       +1     

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[kianmeng]

Should we bump the minimum Elixir requirement in project to tally with CI as well?

telemetry_metrics/mix.exs

Line 11 in 4551efa

elixir: "~> 1.10",

[josevalim]

Yes, we can bump it!

[kianmeng]

@josevalim Updated.

[josevalim]

💚 💙 💜 💛 ❤️

[kianmeng]

🥳 🥳 🥳 🥳 🥳