[FSSDK-9984] chore: prepare for release v3.1.0#257

Merged

mikechu-optimizely merged 3 commits intomasterfrom

mike/prep-3.1.0-release

Apr 9, 2024

Commits on Apr 9, 2024

build: increment the semantic version
Mike Chu
committed
docs: update changelog.md
Mike Chu
committed
docs: PR review adjustment to CHANGELOG
Mike Chu
committed