Run format and analyze on presubmit/postsubmit (SpinlockLabs#275)

Merge pull request SpinlockLabs#271 from SpinlockLabs/auto_release_notes

Add: Auto release notes & generateReleaseNotes API

Prep 8.2.2

Merge pull request SpinlockLabs#269 from CaseyHillers/checkrun-event

Add CheckSuiteEvent and CheckRunEvent

Prep 8.2.0

Prep 8.1.3

- up version and changelog
- tweak CI
- dart format

Merge pull request SpinlockLabs#266 from CaseyHillers/rate-limit-json…

…-fix

Fix getRateLimit json double casting ints

prep 8.1.1 release

Merge pull request SpinlockLabs#250 from CaseyHillers/rate-limit

Switch to dedicated rate_limit endpoint