Bump Microsoft.Build.Locator from 1.4.1 to 1.6.1

Bumps [Microsoft.Build.Locator](https://github.com/microsoft/MSBuildLocator) from 1.4.1 to 1.6.1.
- [Release notes](https://github.com/microsoft/MSBuildLocator/releases)
- [Commits](https://github.com/microsoft/MSBuildLocator/commits/v1.6.1)

---
updated-dependencies:
- dependency-name: Microsoft.Build.Locator
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -15,7 +15,7 @@
         <PackageVersion Include="Microsoft.Build.Framework" Version="$(MsBuildPackageVersion)" ExcludeAssets="runtime" />
         <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(MsBuildPackageVersion)" ExcludeAssets="runtime" />
         <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(MsBuildPackageVersion)" ExcludeAssets="runtime" />
-        <PackageVersion Include="Microsoft.Build.Locator" Version="1.4.1" />
+        <PackageVersion Include="Microsoft.Build.Locator" Version="1.6.1" />
         <!-- Need to update Directory.Build.props DotNet.ReproducibleBuilds.Isolated version when updating this-->
         <PackageVersion Include="DotNet.ReproducibleBuilds" Version="1.1.1" PrivateAssets="All" />
     </ItemGroup>