chore(main): release pubsub 1.22.2 (#6126)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
diff --git a/pubsub/.release-please-manifest.json b/pubsub/.release-please-manifest.json
index cfbe80d..b4105fd 100644
--- a/pubsub/.release-please-manifest.json
+++ b/pubsub/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    "pubsub": "1.22.1"
+    "pubsub": "1.22.2"
 }
diff --git a/pubsub/CHANGES.md b/pubsub/CHANGES.md
index c02672b..3392c92 100644
--- a/pubsub/CHANGES.md
+++ b/pubsub/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [1.22.2](https://github.com/googleapis/google-cloud-go/compare/pubsub/v1.22.1...pubsub/v1.22.2) (2022-06-03)
+
+
+### Bug Fixes
+
+* **pubsub:** fix iterator distribution bound calculations ([#6125](https://github.com/googleapis/google-cloud-go/issues/6125)) ([6c470ff](https://github.com/googleapis/google-cloud-go/commit/6c470ff02072d7af32ee07a772c5d0796b545a45))
+
 ## [1.22.1](https://github.com/googleapis/google-cloud-go/compare/pubsub/v1.22.0...pubsub/v1.22.1) (2022-06-02)
 
 
diff --git a/pubsub/internal/version.go b/pubsub/internal/version.go
index 08bddba..f34a85d 100644
--- a/pubsub/internal/version.go
+++ b/pubsub/internal/version.go
@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.22.1"
+const Version = "1.22.2"