⬆️ Update myst-parser requirement

Updates the requirements on [myst-parser](https://github.com/executablebooks/MyST-Parser) to permit the latest version.
- [Release notes](https://github.com/executablebooks/MyST-Parser/releases)
- [Changelog](https://github.com/executablebooks/MyST-Parser/blob/master/CHANGELOG.md)
- [Commits](executablebooks/MyST-Parser@v0.17.2...v1.0.0)

---
updated-dependencies:
- dependency-name: myst-parser
  dependency-type: direct:development
...

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

setup.py

@@ -43,7 +43,7 @@ def _parse_requirements(path, encoding="utf-8"):
             "sphinx-markdown-tables~=0.0.15",
             "sphinx-click>=3.1,<4.5",
             "sphinx_copybutton~=0.5.0",
-            "myst-parser>=0.17.2,<0.19.0",
+            "myst-parser>=0.17.2,<1.1.0",
         ],
         "test": [
             "pytest>=5.4.0, <8.0.0",