chore(main): release ai 0.5.0 (#10139)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
diff --git a/.release-please-manifest-individual.json b/.release-please-manifest-individual.json
index 9c7459f..77e158e 100644
--- a/.release-please-manifest-individual.json
+++ b/.release-please-manifest-individual.json
@@ -1,5 +1,5 @@
 {
-  "ai": "0.4.1",
+  "ai": "0.5.0",
   "aiplatform": "1.67.0",
   "auth": "0.4.0",
   "auth/oauth2adapt": "0.2.2",
diff --git a/ai/CHANGES.md b/ai/CHANGES.md
index ac5abc5..7d517be 100644
--- a/ai/CHANGES.md
+++ b/ai/CHANGES.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/googleapis/google-cloud-go/compare/ai/v0.4.1...ai/v0.5.0) (2024-05-09)
+
+
+### Features
+
+* **ai/generativelanguage:** Add FileState to File ([3e25053](https://github.com/googleapis/google-cloud-go/commit/3e250530567ee81ed4f51a3856c5940dbec35289))
+
 ## [0.4.1](https://github.com/googleapis/google-cloud-go/compare/ai/v0.4.0...ai/v0.4.1) (2024-05-01)
 
 
diff --git a/ai/internal/version.go b/ai/internal/version.go
index 120c8a4..594b089 100644
--- a/ai/internal/version.go
+++ b/ai/internal/version.go
@@ -17,4 +17,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.4.1"
+const Version = "0.5.0"