[Dependencies] Updating Polly (Policy based retrying) to 8.6.4

# Conflicts:
#	CHANGELOG.md

Author: credfeto

src/Credfeto.Database/Credfeto.Database.csproj

@@ -62,7 +62,7 @@
     <NuGetAuditSuppress Include="https://github.com/advisories/GHSA-xhfc-gr8f-ffwc" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Polly" Version="8.6.2" />
+    <PackageReference Include="Polly" Version="8.6.4" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="AsyncFixer" Version="1.6.0" PrivateAssets="All" ExcludeAssets="runtime" />