Fix build

[bkuhls]

The build errors were found with gcc-15.3.0/uClibc-ng/x86_64 by the Gitlab pipelines of the buildroot project:
https://gitlab.com/bkuhls/buildroot/-/jobs/16471960148

In file included from ./boost/charconv/detail/fast_float/fast_float.hpp:11,
 from output/build/boost-1.92.0/libs/charconv/build/../src/from_chars.cpp:16:
./boost/charconv/detail/fast_float/float_common.hpp:349:20: error: conflicting declaration ‘constexpr const boost::uint64_t boost::charconv::detail::fast_float::binary_format_lookup_tables<double, U>::max_mantissa []’ [-Wtemplate-body]
  349 | constexpr uint64_t binary_format_lookup_tables<double, U>::max_mantissa[];

./boost/charconv/detail/fast_float/float_common.hpp:318:34: note: previous declaration as ‘constexpr const uint64_t boost::charconv::detail::fast_float::binary_format_lookup_tables<double, U>::max_mantissa [24]’
  318 |   static constexpr std::uint64_t max_mantissa[] = {

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.87%. Comparing base (39874c7) to head (22d487b).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #307   +/-   ##
========================================
  Coverage    94.87%   94.87%           
========================================
  Files           75       75           
  Lines         9039     9039           
========================================
  Hits          8576     8576           
  Misses         463      463           

Files with missing lines	Coverage Δ
.../boost/charconv/detail/fast_float/float_common.hpp	88.69% <ø> (ø)

---

Continue to review full report in Codecov by Harness.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 39874c7...22d487b. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.