Composition Function Events and Status Conditions

[dalton-hill-0]

Description of your changes

Fixes Crossplane 5402 One-pager PR that documents this effort (Crossplane 5426) Should be merged with Crossplane 5450

Additional changes: Adds some go packages to be included in the Make logic so that they get picked up by make reviewable.

I have:

• [x] Read and followed Crossplane's [contribution process].
• [x] Run make reviewable to ensure this PR is ready for review.

How has this code been tested

• added unit tests
• tested in a composition function

[negz]

@dalton-hill-0 This one could use a git history cleanup before I merge too.

[dalton-hill-0]

@negz

This one could use a git history cleanup before I merge too.

Done