(deps): Bump Polly from 8.6.0 to 8.6.4

---
updated-dependencies:
- dependency-name: Polly
  dependency-version: 8.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -15,7 +15,7 @@
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.10" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.10" />
     <PackageVersion Include="Microsoft.IO.Redist" Version="6.1.0" />
-    <PackageVersion Include="Polly" Version="8.6.0" />
+    <PackageVersion Include="Polly" Version="8.6.4" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.14.1" />
     <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.14.1" />
     <!-- specific packages -->