Bump Vezel.Zig.Sdk from 5.1.3 to 5.2.12

Bumps [Vezel.Zig.Sdk](https://github.com/vezel-dev/zig-sdk) from 5.1.3 to 5.2.12.
- [Release notes](https://github.com/vezel-dev/zig-sdk/releases)
- [Changelog](https://github.com/vezel-dev/zig-sdk/blob/master/RELEASE.md)
- [Commits](vezel-dev/zig-sdk@v5.1.3...v5.2.12)

---
updated-dependencies:
- dependency-name: Vezel.Zig.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

global.json

@@ -7,6 +7,6 @@
   },
   "msbuild-sdks": {
     "Microsoft.Build.Traversal": "4.1.0",
-    "Vezel.Zig.Sdk": "5.1.3"
+    "Vezel.Zig.Sdk": "5.2.12"
   }
-}
+}