chore(pubsub): release pubsub/v1.8.0 (#2928)

diff --git a/internal/version/version.go b/internal/version/version.go
index b29e5b0..6ff8b46 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -26,7 +26,7 @@
 
 // Repo is the current version of the client libraries in this
 // repo. It should be a date in YYYYMMDD format.
-const Repo = "20200925"
+const Repo = "20200928"
 
 // Go returns the Go runtime version. The returned string
 // has no whitespace.
diff --git a/pubsub/CHANGES.md b/pubsub/CHANGES.md
index 66811f0..4b03ca0 100644
--- a/pubsub/CHANGES.md
+++ b/pubsub/CHANGES.md
@@ -1,5 +1,9 @@
 # Changes
 
+## v1.8.0
+
+- Add status code to error injection in pstest. This is a BREAKING CHANGE.
+
 ## v1.7.0
 
 - Add reactor options to pstest server. (#2916)