Release will be 3.1.0

PRs to land.

• tsfn: implement ThreadSafeFunctionEx 742

• Fix: some typos in the document 825

• Fix: some typos in documentation 826

• fix: typo in object_reference.md 826

• create a HandleScope in FinalizeCallback 832

• add support info 843

• Remove misleading sentence (doc-only PR) 847

• fix: empty data OnProgress by race conditions of AsyncProgressWorker 853

• doc: fix tsfn docs to reflect true implementation 860

Possibly also include:

Nothing at moment