Update doc and changelog for 1.8.0

Update doc and changelog for 1.8.0

Signed-off-by: Wenkai Yin(尹文开) <[email protected]>

README.md

@@ -19,6 +19,7 @@ Below is a listing of plugin versions and respective Velero versions that are co
 
 | Plugin Version | Velero Version |
 |----------------|----------------|
+| v1.8.x         | v1.12.x        |
 | v1.7.x         | v1.11.x        |
 | v1.6.x         | v1.10.x        |
 | v1.5.x         | v1.9.x         |

changelogs/CHANGELOG-1.8.0.md

@@ -0,0 +1,10 @@
+## All changes
+
+- Add pushing image to gcr.io in push action (#183, @blackpiglet)
+- Support AzureDNSZone storage account (#185, @anshulahuja98)
+- Load environment variables early so that functions requiring those variables work correctly (#186, @gwynforthewyn)
+- Support auth via Workload Identity (#188, @tareksha)
+- Fixed json parsing errors in README.md (#193, @rajatumrao)
+- Support configuring Azure AD endpoint(#195, @Jeremy-Boyle)
+- Update doc to fix the "DataActions" (#200, @ywk253100)
+- Update README to include the "AZURE_ENVIRONMENT" in the credential file to workaround non public cloud issue (#201, @ywk253100)