Update dependency pymdown-extensions to v10.16

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pymdown-extensions	==10.15 -> ==10.16

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Release Notes

facelessuser/pymdown-extensions (pymdown-extensions)

v10.16

Compare Source

10.16

• NEW: Add early support for Python 3.14.
• NEW: Drop support for Python 3.8.
• NEW: Snippets: Added max_retries and backoff_retries options to configure new retry logic for HTTP 429
  errors (Too Many Requests client error).
• NEW: Caption: Prefix templates are now preserved exactly as specified allowing the insertion of HTML tags if
  desired.
• FIX: Caption: Fix issue where manual numbers in auto were not respected appropriately.

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.49%. Comparing base (cf0e75b) to head (34ab667).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #257   +/-   ##
=======================================
  Coverage   99.49%   99.49%           
=======================================
  Files          11       11           
  Lines         794      794           
=======================================
  Hits          790      790           
  Misses          4        4           

Flag	Coverage Δ
macos-latest	97.73% <ø> (ø)
ubuntu-latest	97.73% <ø> (ø)
windows-latest	95.71% <ø> (ø)

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