Bump Polyfill from 9.7.6 to 9.7.7

---
updated-dependencies:
- dependency-name: Polyfill
  dependency-version: 9.7.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
-    <PackageVersion Include="Polyfill" Version="9.7.6" />
+    <PackageVersion Include="Polyfill" Version="9.7.7" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.170" />
     <PackageVersion Include="System.Text.Encodings.Web" Version="10.0.2" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />