[chore] switch ci to use cspell

[thompson-tomo]

Progresses #3036

Changes

This replaces misspell with cspell for ci and local usage. Note cspell doesn't have auto correction which is why a separate pr adds textlint just like spec & otel.io.

Important

Pull requests acceptance are subject to the triage process as described in Issue and PR Triage Management.
PRs that do not follow the guidance above, may be automatically rejected and closed.

Merge requirement checklist

• CONTRIBUTING.md guidelines followed.
• Change log entry added, according to the guidelines in When to add a changelog entry.
  • If your PR does not need a change log, start the PR title with [chore]
• Links to the prototypes or existing instrumentations (when adding or changing conventions)