add link to minio's post

charts/minio/1.6.62/CHANGELOG.md

@@ -12,3 +12,4 @@ This contains all the notable changes to the MinIO application.
 1. Users with existing instances are advised to not update to the newer version.
   MinIO released a major version change with no backwards compatibility.
   In order to use newer versions of MinIO, a manual migration is needed.
+  For more information, visit https://min.io/docs/minio/linux/operations/install-deploy-manage/migrate-fs-gateway.html

test/minio/1.6.62/CHANGELOG.md

@@ -12,3 +12,4 @@ This contains all the notable changes to the MinIO application.
 1. Users with existing instances are advised to not update to the newer version.
   MinIO released a major version change with no backwards compatibility.
   In order to use newer versions of MinIO, a manual migration is needed.
+  For more information, visit https://min.io/docs/minio/linux/operations/install-deploy-manage/migrate-fs-gateway.html