Fix chart linting issue in evg/run_pre_commit task

[viveksinghggits]

Summary

The helm chart linting functionality is added as part on lint_repo task eventually called our precommit script. Apart from the lint_repo task, precommit script also gets called from the evg task evg/run_pre_commit. And when it's run via evg/run_pre_commit it's failing, because ct is not found. We forgot to update the evg/run_pre_commit task to setup ct because it's doesn't get run in PR patches.
Since this task (evg/run_pre_commit) doesn't get executed as part of PR patches, we didn't face this problem in PR patches. But we got to know about it from a PR that dependabot raises.
In PR patches the task evg/run_pre_commit gets run but the precommit script doesn't actually get executed because it's requires the branch name to be in specific format.

Proof of Work

Successful CI in this PR.

• Make sure lint_repo passes
• Make sure run_pre_commit passes and it actually calls precommit, because this PR branch is named in the format _version_bump, that is expected by run_pre_commit. https://github.com/mongodb/mongodb-kubernetes/blob/master/scripts/evergreen/precommit_bump.sh#L18

Checklist

• Have you linked a jira ticket and/or is the ticket in the title?
• Have you checked whether your jira ticket required DOCSP changes?
• Have you added changelog file?
  • use skip-changelog label if not needed
  • refer to Changelog files and Release Notes section in CONTRIBUTING.md for more details

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MCK 1.4.1 Release Notes