Fixes#36776, update `mongo-c-driver` and `libbson` to 1.26.0.
mongo-c-driver
-
All features are tested successfully in the following triplet:
```
x86-windows
x64-windows
x64-windows-static
```
The usage test passed on `x64-windows` (header files found):
```
mongo-c-driver provides CMake targets:
find_package(mongoc-1.0 CONFIG REQUIRED)
target_link_libraries(main PRIVATE $<IF:$<TARGET_EXISTS:mongo::mongoc_shared>,mongo::mongoc_shared,mongo::mongoc_static>)
```
- [x] Changes comply with the [maintainer
guide](https://github.com/microsoft/vcpkg-docs/blob/main/vcpkg/contributing/maintainer-guide.md).
- [x] SHA512s are updated for each updated download.
- [ ] ~The "supports" clause reflects platforms that may be fixed by
this new version.~
- [ ] ~Any fixed [CI
baseline](https://github.com/microsoft/vcpkg/blob/master/scripts/ci.baseline.txt)
entries are removed from that file.~
- [ ] ~Any patches that are no longer applied are deleted from the
port's directory.~
- [x] The version database is fixed by rerunning `./vcpkg x-add-version
--all` and committing the result.
- [x] Only one version is added to each modified port's versions file.
---------
Co-authored-by: Monica <v-liumonica@microsoft.com>
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