VS: Add special case for '-T version=14.29.16.11' under VS 16.11
Extend the table of special cases from !5903 (merged) and updated by !6169 (merged). Add a special case for the name VS 17 will use for VS 16.11's default toolset, so that it can be used with VS 16.11 too.
Issue: #21922 (closed)
Backport: release