Merge pull request #81 from github/validate-on-blur-breaking

[BREAKING] Align behavior with Primer guidance by default

Merge pull request #79 from github/manual-validation-trigger

Add manual validation trigger

Merge pull request #77 from github/dont-validate-on-blur-if-unchanged

do not re-validate on blur if already validated

Merge pull request #76 from github/validate-after-first-blur

Align behavior with Primer guidance behind only-validate-on-blur toggle

Merge pull request #72 from github/srt32-support-other-http-methods

Support alternative HTTP methods

Merge pull request #68 from github/add-aria-live-regions-to-state-blocks

Add aria live regions to state blocks

bump nodejs to latest LTS for CI

Upgrade mini-throttle to v2.1.0.

Upgrade mini-throttle to v2.1.0.

5.2.0