message: Update CONTRIBUTING.md
  Clarify instructions for updating required checks
diff: @@ -84,10 +84,11 @@ Since the `codeql-action` runs most of its testing through individual Actions wo
  To regenerate the PR jobs for the action:
  -1. From a terminal, run the following commands (replace `SHA` with the sha of the commit whose checks you want to use, typically this should be the latest from `main`):
  +1. In a terminal check out the `SHA` whose checks you want to use as the base. Typically, this will be `main`.
  +2. From a terminal, run the following commands (replace `SHA` with the sha of the commit whose checks you want to use, typically this should be the latest from `main`):
  ```sh
  - SHA= ####
  + SHA="$(git rev-parse HEAD)"
  CHECKS="$(gh api repos/github/codeql-action/commits/${SHA}/check-runs --paginate | jq --slurp --compact-output --raw-output '[.[].check_runs | .[].name | select(contains("https://") or . == "CodeQL" or . == "LGTM.com" or . == "Update dependencies" or . == "Update Supported Enterprise Server Versions" | not)]')"
  echo "{\"contexts\": ${CHECKS}}" > checks.json
  gh api -X "PATCH" repos/github/codeql-action/branches/main/protection/required_status_checks --input checks.json
  @@ -95,7 +96,7 @@ To regenerate the PR jobs for the action:
  gh api -X "PATCH" repos/github/codeql-action/branches/releases/v1/protection/required_status_checks --input checks.json
  ````
  -2. Go to the [branch protection rules settings page](https://github.com/github/codeql-action/settings/branches) and validate that the rules have been updated.
  +3. Go to the [branch protection rules settings page](https://github.com/github/codeql-action/settings/branches) and validate that the rules have been updated.
  ## Resources
  