fix(doc): updated onCreateBabelConfig documentation (#25212)
fix(doc): updated onCreateBabelConfig documentation (#25212)

Co-authored-by: Andreas Ehrencrona <b15c342f1de186996bcca5e1a23cd684d2fadb32@scholarsapp.com>
Co-authored-by: gatsbybot <313a651c59fdaade90d152972001707d94b0975c@gmail.com>
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