🐛 FIX: port markdown-it v11.0.1

[hukkin]

Implement the diff markdown-it/markdown-it@f798bea...331ae11 to catch up with the JS project a bit.

[codecov]

Codecov Report

Merging #109 (c4dba05) into master (9f826bd) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #109   +/-   ##
=======================================
  Coverage   96.38%   96.38%           
=======================================
  Files          69       69           
  Lines        2932     2932           
=======================================
  Hits         2826     2826           
  Misses        106      106           

Flag	Coverage Δ
pytests	96.38% <100.00%> (ø)

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Impacted Files	Coverage Δ
markdown_it/main.py	91.05% <ø> (ø)
markdown_it/rules_block/blockquote.py	100.00% <100.00%> (ø)
markdown_it/rules_block/table.py	98.54% <100.00%> (+0.02%)	⬆️
markdown_it/rules_inline/balance_pairs.py	100.00% <100.00%> (ø)

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[chrisjsewell]

[11.0.1] - 2020-09-14

Fixed

• Fix blockquote lazy newlines, #696.
• Fix missed mappings for table rows, #705.