Replace linaria with ecij

[nstepien]

https://github.com/nstepien/ecij

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.34%. Comparing base (36d0dc1) to head (2ed60b1).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3911      +/-   ##
==========================================
- Coverage   97.67%   97.34%   -0.33%     
==========================================
  Files          42       36       -6     
  Lines        1292     1169     -123     
  Branches      350      345       -5     
==========================================
- Hits         1262     1138     -124     
- Misses         30       31       +1     

Files with missing lines	Coverage Δ
src/Cell.tsx	100.00% <ø> (ø)
src/EditCell.tsx	88.09% <ø> (-3.75%)	⬇️
src/GroupRow.tsx	100.00% <ø> (ø)
src/HeaderCell.tsx	97.14% <ø> (-0.84%)	⬇️
src/HeaderRow.tsx	100.00% <ø> (ø)
src/SummaryCell.tsx	100.00% <ø> (ø)
src/SummaryRow.tsx	100.00% <ø> (ø)
src/cellRenderers/renderToggleGroup.tsx	100.00% <ø> (ø)
src/renderHeaderCell.tsx	100.00% <ø> (ø)
src/sortStatus.tsx	100.00% <ø> (ø)

... and 6 files with indirect coverage changes

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[amanmahajan7]