fix: Update EventSource to 5.2.1 (#159)

Author: jsonbailey

pkgs/sdk/client/src/LaunchDarkly.ClientSdk.csproj

@@ -42,7 +42,7 @@
         <Folder Include="Properties\"/>
         <PackageReference Include="System.Numerics.Vectors" Version="4.5.0"/>
         <PackageReference Include="LaunchDarkly.CommonSdk" Version="7.1.0"/>
-        <PackageReference Include="LaunchDarkly.EventSource" Version="5.0.1"/>
+        <PackageReference Include="LaunchDarkly.EventSource" Version="5.2.1"/>
         <PackageReference Include="LaunchDarkly.InternalSdk" Version="3.5.4" />
         <PackageReference Include="LaunchDarkly.Logging" Version="2.0.0"/>
         <PackageReference Include="Microsoft.Maui.Essentials" Version="8.0.100" />

pkgs/sdk/server/src/LaunchDarkly.ServerSdk.csproj

@@ -40,7 +40,7 @@
   <ItemGroup>
     <PackageReference Include="LaunchDarkly.Cache" Version="1.0.2" />
     <PackageReference Include="LaunchDarkly.CommonSdk" Version="7.1.0" />
-    <PackageReference Include="LaunchDarkly.EventSource" Version="5.2.0" />
+    <PackageReference Include="LaunchDarkly.EventSource" Version="5.2.1" />
     <PackageReference Include="LaunchDarkly.InternalSdk" Version="3.5.4" />
     <PackageReference Include="LaunchDarkly.Logging" Version="2.0.0" />
   </ItemGroup>