chore(release): update changelog and bump version to 2.1.0-rc.1 (#2812)

chore(release): update changelog and bump version to 2.1.0-pr.2716.1 (#…

…2804)

chore(release): update changelog and bump version to 2.1.0-dev.8 (#2797)

chore(release): update changelog and bump version to 2.1.0-dev.7 (#2789)

chore(release): update changelog and bump version to 2.1.0-dev.6 (#2785)

chore(release): update changelog and bump version to 2.1.0-dev.5 (#2782)

chore(release): update changelog and bump version to 2.1.0-dev.4 (#2779)

chore(release): update changelog and version to 2.1.0-dev.3

chore(release): update changelog and version to 2.1.0-dev.2

chore(release): update changelog and version to 2.1.0-dev.1