tarpaulin bump and simplify config setup

[clux]

experiment for #1144 where we can compare against https://app.codecov.io/gh/kube-rs/kube/tree/main/
config ref

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.4%. Comparing base (5dce83b) to head (c4b0cb9).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #1460     +/-   ##
=======================================
- Coverage   72.1%   67.4%   -4.6%     
=======================================
  Files         78      71      -7     
  Lines       6592    5071   -1521     
=======================================
- Hits        4747    3416   -1331     
+ Misses      1845    1655    -190     

see 37 files with indirect coverage changes

[tyrone-wu]

So I forked and modified tarpaulin to address this issue, and it definitely looks like the #[tokio::test] it's where the missing coverage went. Now, I'm actually getting 74%. I'll try to link it here.

[tyrone-wu]

Here's the report (was manually uploaded to codecov) of the new coverage.
https://app.codecov.io/gh/tyrone-wu/kube

[clux]

Ah, amazing. That looks much better. I see you you have an upstream PR as well 👍

[clux]

closed by #1466