chore(v8): release 8.9.4 (#439)

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


##
[8.9.4](v8.9.3...v8.9.4)
(2024-09-06)


### Bug Fixes

* Include expires header on 304 cache hit
([#438](#438))
([b24370e](b24370e))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "8.9.3"
+  ".": "8.9.4"
 }

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Relay will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [8.9.4](https://github.com/launchdarkly/ld-relay/compare/v8.9.3...v8.9.4) (2024-09-06)
+
+
+### Bug Fixes
+
+* Include expires header on 304 cache hit ([#438](https://github.com/launchdarkly/ld-relay/issues/438)) ([b24370e](https://github.com/launchdarkly/ld-relay/commit/b24370e951df90b35fca1efff49d940843d01d6e))
+
 ## [8.9.3](https://github.com/launchdarkly/ld-relay/compare/v8.9.2...v8.9.3) (2024-08-14)
 
 

relay/version/version.go

@@ -2,4 +2,4 @@
 package version
 
 // Version is the package version
-const Version = "8.9.3" // {{ x-release-please-version }}
+const Version = "8.9.4" // {{ x-release-please-version }}