changes to update resources based on predetermined interval

[kumaritanushree]

What this PR does / why we need it:

Kapp will update resources based on predetermined interval set. To set the interval user needs to add annotation kapp.k14s.io/max-interval to the resource

Which issue(s) this PR fixes:

Fixes #224

Does this PR introduce a user-facing change?

NONE

Additional Notes for your reviewer:

Review Checklist:

• [x] Follows the developer guidelines
• [x] Relevant tests are added or updated
• [ ] Relevant docs in this repo added or updated
• [ ] Relevant carvel.dev docs added or updated in a separate PR and there's a link to that PR
• [x] Code is at least as readable and maintainable as it was before this change

Additional documentation e.g., Proposal, usage docs, etc.: