Bump htmx.org from 1.9.8 to 1.9.9

Bumps htmx.org from 1.9.8 to 1.9.9.

Changelog

Sourced from htmx.org's changelog.

[1.9.9] - 2023-11-21

• Allow CSS selectors with whitespace in attributes like hx-target by using parens or curly-braces
• Properly allow users to override the Content-Type request header
• Added the select option to htmx.ajax()
• Fixed a race condition in readystate detection that lead to htmx not being initialized in some scenarios with 3rd party script loaders
• Fixed a bug that caused relative resources to resolve against the wrong base URL when a new URL is pushed
• Fixed a UI issue that could cause indicators to briefly flash

Commits

• db5167e Merge branch 'dev'
• 555522b sha for release
• 7b918d9 prep 1.9.9 release
• d5203c3 Merge remote-tracking branch 'origin/dev' into dev
• 78a9ecf Fix for race condition in readystate detection (#1972)
• c538c65 fix typo
• 52d19a4 Merge remote-tracking branch 'origin/dev' into dev
• 0b37d05 Fix relative resource URLs for boosted links (#1960)
• 087f7cb Merge branch 'master' into dev
• 331f79d fix typo
• Additional commits viewable in compare view