Plone-sphinx-theme

Bug fixes

- Remove external link icon for images. Manas-Kenge [Issue 72](https://github.com/plone/plone-sphinx-theme/issues/72)

New features

- Add strikethrough support. stevepiercy [Issue 70](https://github.com/plone/plone-sphinx-theme/issues/70)

Bug fixes

- Allow the plural form, syntaxes. stevepiercy [Issue 70](https://github.com/plone/plone-sphinx-theme/issues/70)

Internal changes

- Clean up requirements between using the theme for a project and developing and contributing to Plone Sphinx Theme. stevepiercy [Issue 66](https://github.com/plone/plone-sphinx-theme/issues/66)
- Replace uv's pip API usage with calling uv directly. stevepiercy
- Add Python 3.10 to the test matrix. stevepiercy [Issue 67](https://github.com/plone/plone-sphinx-theme/issues/67)

New features

- Add `attrs_inline` and `attrs_block` to list of MyST extensions. ujsquared [Issue 52](https://github.com/plone/plone-sphinx-theme/issues/52)
- Indicate external links with an external link icon using custom style. Manas-Kenge [Issue 61](https://github.com/plone/plone-sphinx-theme/issues/61)

Documentation

- Added change log section under contribution guide. Manas-Kenge [Issue 65](https://github.com/plone/plone-sphinx-theme/issues/65)
- Add documentation of `uv` usage for installation and management of packages dependencies. Also fix casing of Vale. stevepiercy [Issue 67](https://github.com/plone/plone-sphinx-theme/issues/67)
- Update the kitchen sink. stevepiercy [Issue 69](https://github.com/plone/plone-sphinx-theme/issues/69)

Internal changes

- Add dependabot to update GitHub Actions versions. stevepiercy [Issue 64](https://github.com/plone/plone-sphinx-theme/issues/64)

New features

- Added sphinx-tippy for tooltips to preview link content. Manas-Kenge [Issue 60](https://github.com/plone/plone-sphinx-theme/issues/60)

Internal changes

- Update dependencies, and remove failing Vale regular expressions. stevepiercy [Issue 62](https://github.com/plone/plone-sphinx-theme/issues/62)

Internal changes

- Drop Python 3.9 support, and add Python 3.13 support. stevepiercy [Issue 56](https://github.com/plone/plone-sphinx-theme/issues/56)

Bug fixes

- Restore the height of inline images to the same as that of a line of text. stevepiercy [Issue 54](https://github.com/plone/plone-sphinx-theme/issues/54)
- Unpin myst-parser to install latest version, bump pin to `sphinx-book-theme==1.1.4` which temporarily pinned `pydata-sphinx-theme==0.15.4`, so other pins are no longer necessary. See 42. stevepiercy [Issue 56](https://github.com/plone/plone-sphinx-theme/issues/56)

Documentation

- Add documentation for how to update dependencies. stevepiercy [Issue 56](https://github.com/plone/plone-sphinx-theme/issues/56)