docs: update changelog for v0.21.3

docs: update changelog for v0.21.2

docs: update changelog for v0.21.1

docs: update changelog for v0.21.0

docs: update changelog for v0.20.0

docs: update changelog for v0.19.0

docs: update changelog for v0.18.0

docs: update changelog and plugin version for v0.17.0

docs: update changelog for v0.16.0

docs: update changelog for v0.15.3