Update link to Kiali architecture document
The link to the architecture document in overview.md is out of date. It should link to https://repo1.dso.mil/big-bang/bigbang/-/blob/master/docs/understanding-bigbang/package-architecture/kiali.md
UNCLASSIFIED - NO CUI
Currently supported Big Bang Version is 2.40.0
The link to the architecture document in overview.md is out of date. It should link to https://repo1.dso.mil/big-bang/bigbang/-/blob/master/docs/understanding-bigbang/package-architecture/kiali.md
UNCLASSIFIED - NO CUI