Update dependency pipx:gersemi to v0.28.0 (#627)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

solvers/cpp/mise.toml

@@ -1,6 +1,6 @@
 [tools]
 "pipx:clang-format" = "22.1.8"
-"pipx:gersemi" = "0.27.7"
+"pipx:gersemi" = "0.28.0"
 conan = "2.30.0"
 sccache = "0.16.0"