[release/v1.28.x] Prepare release 1.28.0 (#5608)

opentelemetrybot · web-flow · commit 1733d2cfd76b · 2023-07-07T07:22:23.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## Version 1.28.0 (2023-07-07)
 
 [opentelemetry-sdk-extension-autoconfigure](./sdk-extensions/autoconfigure) is now stable! See "SDK
 Extension" notes below for changes made prior to stabilization.
diff --git a/version.gradle.kts b/version.gradle.kts
@@ -1,4 +1,4 @@
-val snapshot = true
+val snapshot = false
 
 allprojects {
   var ver = "1.28.0"
