fix(ci): update codecov config

[mikeee]

Description

The last valid config for codecov was Aug 2024 and all runs since have been using a commit ref from that time, this PR updates the config to make it valid and runs should automatically point to the latest successful run on main.

Issue reference

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 51.09%. Comparing base (65e111b) to head (67f37d0).
⚠️ Report is 22 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #792      +/-   ##
==========================================
- Coverage   55.76%   51.09%   -4.68%     
==========================================
  Files          58       57       -1     
  Lines        3692     3783      +91     
==========================================
- Hits         2059     1933     -126     
- Misses       1497     1714     +217     
  Partials      136      136              

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[mikeee]

@JoshVanL could you PTAL? Cheers!

[JoshVanL]

@mikeee LGTM!

[mikeee]

@dapr/maintainers-go-sdk - Please could you take a look