Add support for building profiled dynamic way

The main payload of this change is to hadrian.

* Default settings will produced dynamic profiled objects
* `-fexternal-interpreter` is turned on in some situations when there is
  an incompatibility between host GHC and the way attempting to be
  built.
* Very few changes actually needed to GHC

There are also necessary changes to the bootstrap plans to work with the
vendored Cabal dependency. These changes should ideally be reverted by
the next GHC release.

In hadrian support is added for building profiled dynamic libraries
(nothing too exciting to see there)

Updates hadrian to use a vendored Cabal submodule, it is important that
we replace this usage with a released version of Cabal library before
the 9.12 release.

Fixes #21594

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Metric Increase:
    libdir
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