chore(main): release LaunchDarkly.ServerSdk 8.13.0 (#273)

🤖 I have created a release *beep* *boop*
---


##
[8.13.0](LaunchDarkly.ServerSdk-v8.12.2...LaunchDarkly.ServerSdk-v8.13.0)
(2026-05-27)


### Features

* add X-LaunchDarkly-Instance-Id header
([#258](#258))
([3c03ec4](3c03ec4))

---
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Please](https://github.com/googleapis/release-please). See
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.release-please-manifest.json

@@ -2,7 +2,7 @@
   "pkgs/dotnet-server-sdk-consul": "5.0.1",
   "pkgs/dotnet-server-sdk-dynamodb": "5.0.1",
   "pkgs/dotnet-server-sdk-redis": "5.1.1",
-  "pkgs/sdk/server": "8.12.2",
+  "pkgs/sdk/server": "8.13.0",
   "pkgs/sdk/client": "5.7.3",
   "pkgs/telemetry": "1.5.1",
   "pkgs/sdk/server-ai": "0.9.4",

pkgs/sdk/server/CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [8.13.0](https://github.com/launchdarkly/dotnet-core/compare/LaunchDarkly.ServerSdk-v8.12.2...LaunchDarkly.ServerSdk-v8.13.0) (2026-05-27)
+
+
+### Features
+
+* add X-LaunchDarkly-Instance-Id header ([#258](https://github.com/launchdarkly/dotnet-core/issues/258)) ([3c03ec4](https://github.com/launchdarkly/dotnet-core/commit/3c03ec4e3e73013cf5116af0583243605c561576))
+
 ## [8.12.2](https://github.com/launchdarkly/dotnet-core/compare/LaunchDarkly.ServerSdk-v8.12.1...LaunchDarkly.ServerSdk-v8.12.2) (2026-05-27)
 
 

pkgs/sdk/server/PROVENANCE.md

@@ -9,7 +9,7 @@ To verify build provenance attestations, we recommend using the [GitHub CLI `att
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=8.12.2
+SDK_VERSION=8.13.0
 ```
 <!-- x-release-please-end -->
 

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

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <!--x-release-please-start-version-->
-    <Version>8.12.2</Version>
+    <Version>8.13.0</Version>
     <!--x-release-please-end-->
     <!-- The BUILDFRAMEWORKS variable allows us to override the target frameworks with a
          single framework that we are testing; this allows us to test with older SDK