chore/remove chunk coords

[d-v-b]

replaces all occurrences usage of ChunkCoords with tuple[int, ...]

I do keep the ChunkCoords definition in zarr.core.common in case someone was using it, since we do have people using our private API in the wild. Happy to remove this if people think it's safe.

closes #3373

[d-v-b]

Note this change, which better matches the intent of ShapeLike.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.55%. Comparing base (1a4aa5b) to head (f8d8d2d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3374      +/-   ##
==========================================
- Coverage   94.55%   94.55%   -0.01%     
==========================================
  Files          79       79              
  Lines        9448     9447       -1     
==========================================
- Hits         8934     8933       -1     
  Misses        514      514              

Files with missing lines	Coverage Δ
src/zarr/abc/codec.py	95.06% <100.00%> (ø)
src/zarr/api/asynchronous.py	87.62% <100.00%> (ø)
src/zarr/api/synchronous.py	92.95% <100.00%> (ø)
src/zarr/codecs/sharding.py	94.47% <100.00%> (ø)
src/zarr/codecs/transpose.py	89.47% <100.00%> (ø)
src/zarr/core/array.py	97.10% <100.00%> (ø)
src/zarr/core/array_spec.py	100.00% <100.00%> (ø)
src/zarr/core/buffer/core.py	83.09% <100.00%> (ø)
src/zarr/core/buffer/cpu.py	100.00% <ø> (ø)
src/zarr/core/buffer/gpu.py	90.00% <ø> (ø)
... and 9 more

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