update changelog

Task/prep 8.3.0 (#2000)

* bump versions

* update changelog

* update client

update release references

Merge pull request #1911 from HicServices/task/RDMP-229-prep-8.2.2-re…

…lease

Task/rdmp 229 prep 8.2.2 release

Update CHANGELOG.md

Merge pull request #1872 from HicServices/task/RDMP-197-release-prep

Add release date

Merge pull request #1844 from HicServices/release/8.1.7

Release/8.1.7

Merge pull request #1840 from HicServices/task/RDMP-186-prep-release

add release date

Update SharedAssemblyInfo.cs

Merge pull request #1808 from HicServices/task/RDMP-165-setup-using-y…

…aml-file

Task/rdmp 165 setup using yaml file