chore: release main (#6035)

diff --git a/.release-please-manifest-submodules.json b/.release-please-manifest-submodules.json
index ceeb858..913cf5d 100644
--- a/.release-please-manifest-submodules.json
+++ b/.release-please-manifest-submodules.json
@@ -40,10 +40,10 @@
   "filestore": "1.2.0",
   "functions": "1.3.0",
   "gaming": "1.2.0",
-  "gkebackup": "0.0.0",
+  "gkebackup": "0.1.0",
   "gkeconnect": "0.3.0",
   "gkehub": "0.5.0",
-  "gkemulticloud": "0.0.0",
+  "gkemulticloud": "0.1.0",
   "grafeas": "0.2.0",
   "gsuiteaddons": "1.2.0",
   "iam": "0.3.0",
diff --git a/gkebackup/CHANGES.md b/gkebackup/CHANGES.md
index b671f0b..27aabb4 100644
--- a/gkebackup/CHANGES.md
+++ b/gkebackup/CHANGES.md
@@ -1 +1,8 @@
-# Changes
+# Changelog
+
+## 0.1.0 (2022-05-16)
+
+
+### Features
+
+* **gkebackup:** start generating apiv1 ([#6031](https://github.com/googleapis/google-cloud-go/issues/6031)) ([4816e84](https://github.com/googleapis/google-cloud-go/commit/4816e84076d62c0952eec0a7de80a230dc9074fe))
diff --git a/gkebackup/internal/version.go b/gkebackup/internal/version.go
index 76e34d0..9e90a01 100644
--- a/gkebackup/internal/version.go
+++ b/gkebackup/internal/version.go
@@ -17,4 +17,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.0.0"
+const Version = "0.1.0"
diff --git a/gkemulticloud/CHANGES.md b/gkemulticloud/CHANGES.md
index b671f0b..f5a56ee 100644
--- a/gkemulticloud/CHANGES.md
+++ b/gkemulticloud/CHANGES.md
@@ -1 +1,8 @@
-# Changes
+# Changelog
+
+## 0.1.0 (2022-05-16)
+
+
+### Features
+
+* **gkemulticloud:** start generating apiv1 ([#6036](https://github.com/googleapis/google-cloud-go/issues/6036)) ([dc2b168](https://github.com/googleapis/google-cloud-go/commit/dc2b168162ba358435c7191f9d02edaea17d19bb))
diff --git a/gkemulticloud/internal/version.go b/gkemulticloud/internal/version.go
index 76e34d0..9e90a01 100644
--- a/gkemulticloud/internal/version.go
+++ b/gkemulticloud/internal/version.go
@@ -17,4 +17,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.0.0"
+const Version = "0.1.0"