build(deps): Bump Meziantou.Polyfill from 1.0.30 to 1.0.31

Bumps [Meziantou.Polyfill](https://github.com/meziantou/Meziantou.Polyfill) from 1.0.30 to 1.0.31.
- [Commits](https://github.com/meziantou/Meziantou.Polyfill/commits)

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

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

Author: dependabot[bot]

src/bunit.generators/bunit.generators.csproj

@@ -21,7 +21,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Meziantou.Polyfill" Version="1.0.30">
+		<PackageReference Include="Meziantou.Polyfill" Version="1.0.31">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>