build: bump vcpkg from 0.2.14 to 0.2.15

Bumps [vcpkg](https://github.com/mcgoo/vcpkg-rs) from 0.2.14 to 0.2.15.
- [Release notes](https://github.com/mcgoo/vcpkg-rs/releases)
- [Changelog](https://github.com/mcgoo/vcpkg-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mcgoo/vcpkg-rs/compare/vcpkg-rs-0.2.14...vcpkg-rs-0.2.15)

---
updated-dependencies:
- dependency-name: vcpkg
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -1055,9 +1055,9 @@ checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 
 [[package]]
 name = "vcpkg"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70455df2fdf4e9bf580a92e443f1eb0303c390d682e2ea817312c9e81f8c3399"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "vec_map"