Bump myst-nb from 1.1.0 to 1.1.1

Bumps [myst-nb](https://github.com/executablebooks/myst-nb) from 1.1.0 to 1.1.1.
- [Release notes](https://github.com/executablebooks/myst-nb/releases)
- [Changelog](https://github.com/executablebooks/MyST-NB/blob/master/CHANGELOG.md)
- [Commits](executablebooks/MyST-NB@v1.1.0...v1.1.1)

---
updated-dependencies:
- dependency-name: myst-nb
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -51,7 +51,7 @@ docs = [
     "sphinx-copybutton==0.5.2",
     "sphinx>=5,<8",
     "sphinx_design==0.6.0",
-    "myst-nb==1.1.0",
+    "myst-nb==1.1.1",
     "sphinx-book-theme==1.1.3",
     "sphinx-argparse==0.4.0",
     "sphinx-toolbox==3.5.0",