Log Message:
spdlog: updated to 1.15.0

1.15.0

Update bundled fmt to 11.0.2
Add wide character formatting and output support to console in wincolor_sink.
Allow customization of syslog_sink
make example compatible with fmt 11
Fix building with FMT_ENFORCE_COMPILE_STRING
fix: set /Zc:__cplusplus and /MP to MSVC only
V1.x : fixed "suggest override" errors for gcc 8.5 and gcc 9.1
Add info about max_files in the docstrings of hourly/daily file sinks
use std::lock_guard instead of std::unique_lock
fix/issue-3101: fix the issue where mdc ignores SPDLOG_NO_TLS
Update mdc.h error message
[docs] Update conan install command in README
Update CMakeLists.txt, Fix spelling errors
Fix warning - extra ';' for -Wextra-semi
Improve Cross-Platform Build Instructions in Documentation
Exchange promise for condition_variable when flushing (fixes #3221)
Ensure flush callback gets called in move-assign operator
Make flush async again in async logger to prevent crashes and hangs
Update README.md
utf8_to_wstrbuf now handles invalid utf8 sequences
Added tsan option to CMake and CI