Bump myst-parser from 0.17.0 to 0.17.2 (#1986)

Bumps [myst-parser](https://github.com/executablebooks/MyST-Parser) from 0.17.0 to 0.17.2.
- [Release notes](https://github.com/executablebooks/MyST-Parser/releases)
- [Changelog](https://github.com/executablebooks/MyST-Parser/blob/master/CHANGELOG.md)
- [Commits](executablebooks/MyST-Parser@v0.17.0...v0.17.2)

---
updated-dependencies:
- dependency-name: myst-parser
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: C. Titus Brown <titus@idyll.org>

setup.cfg

@@ -66,7 +66,7 @@ demo =
     ipython
 doc =
     sphinx>=4.4.0,<5
-    myst-parser==0.17.0
+    myst-parser==0.17.2
     Jinja2==3.1.1
     alabaster
     sphinxcontrib-napoleon