* Add the ability to do full rebuilds with updated copies of vcpkg-tool.
Resurrection of https://github.com/microsoft/vcpkg/pull/23753/
* Extract all scripts out of inline blocks.
* Replicate all changes to the "unstable" testing.
* Fix bootstrap :)
* Fix version files validation path.
* Malformed.
* Paths and permissions.
* Fixed file name typo
* Update scripts/azure-pipelines/bootstrap-from-source.sh
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>