Log Message:
libmaxminddb: update to 1.9.1.

## 1.9.1 - 2024-01-09

* `SSIZE_MAX` is now defined conditionally on Windows. The 1.9.0
  release would cause a redefinition warning when compiled with MinGW.
  Reported by Andreas Vögele. GitHub #338.

## 1.9.0 - 2024-01-09

* On very large databases, the calculation to determine the search tree
  size could overflow. This was fixed and several additional guards
  against overflows were added. Reported by Sami Salonen. GitHub #335.
* Removed `sa_family_t` typedef from the public header on Windows. Pull
  request by Noah Treuhaft. GitHub #334.
* The CMake build was adjusted to allow running builds in parallel.
  Pull request by Vladyslav Miachkov. GitHub #332.