fix cve (#3989)
fix critical cve for h11. supposedly 0.16.0 fixes it.
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Co-authored-by: Yao You <yao@unstructured.io>
Co-authored-by: Austin Walker <austin@unstructured.io>
Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
Co-authored-by: badGarnet <badGarnet@users.noreply.github.com>
