Bump the actions group with 1 update (#86)

Bumps the actions group with 1 update: [jupyterlite-javascript-kernel](https://github.com/jupyterlite/javascript-kernel).


Updates `jupyterlite-javascript-kernel` from 0.3.0a1 to 0.3.0
- [Release notes](https://github.com/jupyterlite/javascript-kernel/releases)
- [Changelog](https://github.com/jupyterlite/javascript-kernel/blob/main/CHANGELOG.md)
- [Commits](jupyterlite/javascript-kernel@v0.3.0a1...v0.3.0)

---
updated-dependencies:
- dependency-name: jupyterlite-javascript-kernel
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -10,7 +10,7 @@ jupyterlab-filesystem-access~=0.6.0
 jupyterlab-open-url-parameter~=0.3.0
 jupyterlab-plugin-playground~=0.4.0
 jupyterlite-core==0.3.0
-jupyterlite-javascript-kernel==0.3.0a1
+jupyterlite-javascript-kernel==0.3.0
 jupyterlite-pyodide-kernel==0.3.0a0
 jupyterlite-p5-kernel==0.1.1
 jupyterlite-echo-kernel==0.2.0