Add module support to the fast types

[mborland]

Closes: #746

Gets things working again with GCC-14 in addition to adding our new types

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.1%. Comparing base (8274270) to head (62b5d3a).
Report is 9 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop    #754   +/-   ##
=======================================
  Coverage     99.1%   99.1%           
=======================================
  Files          227     227           
  Lines        16863   16863           
  Branches      1816    1816           
=======================================
  Hits         16708   16708           
  Misses         155     155           

Files with missing lines	Coverage Δ
include/boost/decimal/bid_conversion.hpp	100.0% <100.0%> (ø)
include/boost/decimal/decimal128_fast.hpp	97.6% <ø> (ø)
include/boost/decimal/decimal32_fast.hpp	96.8% <ø> (ø)
include/boost/decimal/decimal64_fast.hpp	98.6% <ø> (ø)
include/boost/decimal/detail/power_tables.hpp	100.0% <ø> (ø)
include/boost/decimal/dpd_conversion.hpp	96.6% <ø> (ø)

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