Fix CSPELL issues

This is mostly working with the default template.There are a number of remaining issues, but these appear to be fixed in https://www.drupal.org/project/gitlab_templates/issues/3426392 → and will be resolved when the templates are updated.

./LICENSE.txt:315:5     - Unknown word (Gnomovision) -- Gnomovision version 69, Copyright
	 Suggestions: []
./LICENSE.txt:316:5     - Unknown word (Gnomovision) -- Gnomovision comes with ABSOLUTELY
	 Suggestions: []
./LICENSE.txt:329:3     - Unknown word (Yoyodyne)    -- Yoyodyne, Inc., hereby disclaims
	 Suggestions: []
./LICENSE.txt:330:4     - Unknown word (Gnomovision) -- `Gnomovision' (which makes passes
	 Suggestions: []
./modules/multiselect_dropdown_polyfill/package.json:21:6      - Unknown word (browserlist) -- "browserlist": "^1.0.1"
	 Suggestions: [browserslist, browserkit, browsertest, browsers, browser's]
./package.json:18:6      - Unknown word (browserlist) -- "browserlist": "^1.0.1"
	 Suggestions: [browserslist, browserkit, browsertest, browsers, browser's]

Automatically closed - issue fixed for 2 weeks with no activity.