Bump ProjectDefaults from 1.0.137 to 1.0.139 in /src (#874)

Bumps [ProjectDefaults](https://github.com/SimonCropp/ProjectDefaults) from 1.0.137 to 1.0.139.
- [Commits](https://github.com/SimonCropp/ProjectDefaults/commits)

---
updated-dependencies:
- dependency-name: ProjectDefaults
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.2.13" />
     <PackageVersion Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
     <PackageVersion Include="Polyfill" Version="6.14.0" />
-    <PackageVersion Include="ProjectDefaults" Version="1.0.137" />
+    <PackageVersion Include="ProjectDefaults" Version="1.0.139" />
     <PackageVersion Include="PropertyChanged.Fody" Version="4.1.0" />
     <PackageVersion Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
     <PackageVersion Include="Verify.NUnit" Version="27.0.0-beta.5" />