[pickers] Fix typo on migration-lab.md

[chuckwired]

Fix typo "should do not", and bold it so readers can more easily spot what this migration offers

[mui-bot]

These are the results for the performance tests:

Test case	Unit	Min	Max	Median	Mean	σ
Filter 100k rows	ms	258	588.5	319.9	368.86	120.266
Sort 100k rows	ms	466.5	991.5	886.4	794.4	196.503
Select 100k rows	ms	191.8	229.4	203.4	209.3	15.951
Deselect 100k rows	ms	117.7	271.7	212	194.06	55.752

Generated by :no_entry_sign: dangerJS against 69050bf61615fe053493bffeedac1f61c91d08a6

[chuckwired]

Clearer?

Oh yes, much better, thanks for the suggestion! :+1:

[oliviertassinari]

@LukasTy I have directly approved the changes in Argos CI, so the CI is green. I think that we should merge. The PR has been open for too long.