chore(deps): update dependency markdown2 to v2.5.3

This MR contains the following updates:

Package	Update	Change
markdown2	minor	==2.4.13 -> ==2.5.3

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Release Notes

trentm/python-markdown2 (markdown2)

v2.5.3

Compare Source

• [pull #​616] make tables without body gfm compatible

v2.5.2

Compare Source

• [pull #​605] Add support for Python 3.13, drop EOL 3.8
• [pull #​607] Fix middle-word-em extra preventing strongs from being recognized (#​606)
• [pull #​609] Add option to output to file in CLI (#​608)
• [pull #​612] Fix footnote labels appearing out-of-order (#​536)
• [pull #​613] Fix smarty pants extra not triggering when it should (#​611)

v2.5.1

Compare Source

• [pull #​590] Fix underscores within bold text getting emphasized (#​589)
• [pull #​591] Add Alerts extra
• [pull #​595] Fix img alt text being processed as markdown (#​594)
• [pull #​598] Add link-shortrefs extra (#​597)
• [pull #​600] Use urandom for SECRET_SALT
• [pull #​602] Fix XSS issue in safe mode (#​601)
• [pull #​604] Fix XSS injection in image URLs (#​603)

v2.5.0

Compare Source

• [pull #​519] Add support for custom extras
• [pull #​519] Drop Python 3.5 support
• [pull #​568] Add prepend arg to toc extra (#​397)
• [pull #​569] Process HTML comments as markdown in 'escape' safe mode
• [pull #​570] Fix syntax warnings in test suite
• [pull #​572] Process inline tags as HTML blocks when they span multiple lines (#​571)
• [pull #​573] Add new LaTeX Extra
• [pull #​576] Fix html, head and body tags being wrapped in <p> tags (#​575)
• [pull #​578] Graceful handling of broken lists when cuddled-lists extra is enabled
• [pull #​581] Add type hints (#​562)
• [pull #​581] Drop Python 3.6 and 3.7 support
• [pull #​582] Fix fenced code blocks breaking lists (#​580)
• [pull #​586] Fix #​583 by tweaking incomplete tag regex
• [pull #​587] Fix AssertionError on malformed HTML (#​584)

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