stanza multilingual pipeline for mlp
Description: Update to Stanza 1.3 multilingual pipeline for MLP.
- - Update Stanza package to 1.3
- - Use langid processor instead of langdetect to detect input language
- - Use MultilingualPipeline to maintain a cache of pipelines for each language
- - Check that Stanza package 1.3 is stable in MLP
- - Check langid processor is detecting correct language
- - Tests for MultilangualPipelines