main/fmt: upgrade to 11.1.0
https://github.com/fmtlib/fmt/releases/tag/11.1.0
https://github.com/fmtlib/fmt/releases/tag/11.1.1
no rebuild necessary since no SONAME change.
superseeds !77656 (closed)
https://github.com/fmtlib/fmt/releases/tag/11.1.0
https://github.com/fmtlib/fmt/releases/tag/11.1.1
no rebuild necessary since no SONAME change.
superseeds !77656 (closed)