Edit typos and language fixes in the 'Extend Clarinet' doc #2445

The following actions uses node12 which is deprecated and will be forced to run on node16: styfle/cancel-workflow-action@ad6cb1b847ffb509a69b745b6ee2f1d14dfe14b8. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Unexpected input(s) 'persist-credentials', valid inputs are ['workflow_id', 'ignore_sha', 'access_token', 'all_but_latest']

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions/cache@v2, actions/upload-artifact@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/toolchain@v1, actions/cache@v2, actions/upload-artifact@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Artifacts

Produced during runtime

Name	Size
clarinet-darwin-arm64 Expired	32.5 MB
clarinet-darwin-x64 Expired	33.5 MB
clarinet-linux-x64-glibc Expired	40.5 MB
clarinet-windows-x64 Expired	30.7 MB
clarity-repl-linux-x64-glibc Expired	6.91 MB
stacks-devnet-js-linux-x64-glibc Expired	12 MB