Request to add transform_first keyword to barbs

[greglucas]

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Would it be possible to implement something similar to #1291 with barbs? I am experiencing significant slowdowns with the barb transformation with high-resolution data. Appears I'm not the only one: https://stackoverflow.com/questions/71578820/use-transform-first-keyword-in-barbs

Originally posted by @karlwx in https://github.com/SciTools/cartopy/issues/1291#issuecomment-2140829116