Update spellcheck config + fix old docker description

[tas50]

The usage text was wrong in the legacy dockerfile

[github-actions[bot]]

@check-spelling-bot Report

:red_circle: Please review

See the :open_file_folder: files view, the :scroll:action log, or :memo: job summary for details.

:x: Errors	Count
:x: forbidden-pattern	2

See :x: Event descriptions for more information.

Previously acknowledged words that are now absent

Yvo 🫥

Available :books: dictionaries could cover words (expected and unrecognized) not in the :blue_book: dictionary

This includes both **expected items** (692) from .github/actions/spelling/expect.txt and **unrecognized words** (0) Dictionary | Entries | Covers | Uniquely -|-|-|- [cspell:node/dict/node.txt](https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20230509/dictionaries/node/dict/node.txt)|891|2|| [cspell:golang/dict/go.txt](https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20230509/dictionaries/golang/dict/go.txt)|2099|2|| [cspell:fullstack/dict/fullstack.txt](https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20230509/dictionaries/fullstack/dict/fullstack.txt)|419|1|1| [cspell:python/src/python/python-lib.txt](https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20230509/dictionaries/python/src/python/python-lib.txt)|2417|1|1| [cspell:docker/src/docker-words.txt](https://raw.githubusercontent.com/check-spelling/cspell-dicts/v20230509/dictionaries/docker/src/docker-words.txt)|27|1|| Consider adding them (in `.github/workflows/spell-check.yaml`) for `uses: check-spelling/check-spelling@v0.0.22` in its `with`: ``` yml with: extra_dictionaries: cspell:node/dict/node.txt cspell:golang/dict/go.txt cspell:fullstack/dict/fullstack.txt cspell:python/src/python/python-lib.txt cspell:docker/src/docker-words.txt ``` To stop checking additional dictionaries, add (in `.github/workflows/spell-check.yaml`) for `uses: check-spelling/check-spelling@v0.0.22` in its `with`: ``` yml check_extra_dictionaries: '' ```