Generate the changelog for v1.8.1

Generate the changelog for v1.8.1

Signed-off-by: Wenkai Yin(尹文开) <yinw@vmware.com>

changelogs/CHANGELOG-1.8.md

@@ -1,3 +1,22 @@
+## v1.8.1
+### 2022-03-04
+
+### Download
+https://github.com/vmware-tanzu/velero/releases/tag/v1.8.1
+
+### Container Image
+`velero/velero:v1.8.1`
+
+### Documentation
+https://velero.io/docs/v1.8
+
+### Upgrading
+https://velero.io/docs/v1.8/upgrade-to-1.8/
+
+### All changes
+* Bypass the remap CRD version plugin when v1beta1 CRD is not supported (#4706, @reasonerjt)
+* Support regional pv for GKE (#4691, @jxun)
+
 ## v1.8.0
 ### 2022-01-14
 

changelogs/unreleased/4691-jxun

@@ -1 +0,0 @@
-Support regional pv for GKE

changelogs/unreleased/4706-reasonerjt

@@ -1 +0,0 @@
-Bypass the remap CRD version plugin when v1beta1 CRD is not supported