Add a metadata field to Status

[ryanpbrewster]

This is a fresh attempt at #1809

The motivation is summarized in #1890

Reviewer notes:

• I opted to grab the ListMeta field directly from k8s-openapi. This...kind of feels weird, since the kube_core::Status is now extremely similar to the k8s-openapi Status. Should these just be the same struct?
• ListMeta does not impl Eq, so I removed it from Status. As such, this PR is a breaking change in at least 2 ways (it adds a new field, and it removes an impl).

I can manually impl Eq (which is safe right now, but may become unsafe in the future). I can also use a separate struct that is wire-compatible with the k8s-openapi struct (I'd probably only define the continue token initially). Preferences?

[ryanpbrewster]

This struct contains a Status so the Eq change propagates up

[clux]

I opted to grab the ListMeta field directly from k8s-openapi. This...kind of feels weird, since the kube_core::Status is now extremely similar to the k8s-openapi Status. Should these just be the same struct?

ahhh. lol. i don't remember that being there. yeah, maybe they should be the same. however it's needed right now for a deprecation note so don't want to change it right now for the next version. as long as they are the same, it's not a problem for now.

maybe in the next version we can change our Status to a re-export of k8s-openapi's generated Status.

[clux]

ListMeta does not impl Eq, so I removed it from Status. As such, this PR is a breaking change in at least 2 ways (it adds a new field, and it removes an impl).

i think this is fine, we are already touching Status for this version. I don't think this Eq derive was introduced conciously. I've said no to Eq in the past.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.0%. Comparing base (178e4ae) to head (221479e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #1891     +/-   ##
=======================================
+ Coverage   76.0%   76.0%   +0.1%     
=======================================
  Files         85      85             
  Lines       8329    8336      +7     
=======================================
+ Hits        6325    6334      +9     
+ Misses      2004    2002      -2     

Files with missing lines	Coverage Δ
kube-core/src/admission.rs	61.2% <ø> (ø)
kube-core/src/conversion/types.rs	71.5% <ø> (ø)
kube-core/src/response.rs	67.2% <100.0%> (+3.3%)	⬆️

... and 4 files with indirect coverage changes

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[clux]

Looks good to me, thank you! (I'll leave it for a day in case other comments pop up, but otherwise will merge).