release: bump version to v0.9.4 and update changelog (#2060)

Signed-off-by: Sam Batschelet <sbatsche@redhat.com>

Merge pull request #2014 from hexfusion/release-v0.9.3

release: bump version to v0.9.3 and update changelog

Merge pull request #1951 from hasbro17/haseeb/release-v0.9.2

release: bump version to v0.9.2 and update changelog

Merge pull request #1938 from hasbro17/haseeb/bump-version-0.9.1

*: bump version to v0.9.1 and update changelog

release: bump version to 0.9.0 (#1924)

same as 0.8.4. bump to 0.9.0 due to adding a new abs backup api

release: bump version to 0.8.4 (#1923)

Merge pull request #1883 from fanminshi/bump_version

release: bump version

Merge pull request #1867 from hasbro17/haseeb/release-v0.8.2

release: 0.8.2

release: 0.8.1 (#1850)

release: v0.8.0 (#1824)