2: Bump Chef dep for a gem only release

[btm]

Like 2.99.0, here we ship 2.100.0 with a bump to the version constraint on chef so that other packages (chef-workstation) can pull this in with Chef 16.

Signed-off-by: Bryan McLellan btm@loftninjas.org

Description

[Please describe what this change achieves]

Issues Resolved

[List any existing issues this PR resolves, or any Discourse or StackOverflow discussion that's relevant]

Check List

• [ ] New functionality includes tests
• [ ] All tests pass
• [ ] RELEASE_NOTES.md has been updated if required (not required for bugfixes, required for API changes)
• [ ] All commits have been signed-off for the Developer Certificate of Origin. See https://github.com/chef/chef/blob/master/CONTRIBUTING.md#developer-certification-of-origin-dco