dependency: bump go.etcd.io/bbolt to v1.3.7

Please refer to link below to get more detailed info on bbolt@v1.3.7,
- https://github.com/etcd-io/bbolt/blob/master/CHANGELOG/CHANGELOG-1.3.md#v1372023-01-31

Signed-off-by: Benjamin Wang <wachao@vmware.com>

vendor/go.etcd.io/bbolt/mlock_unix.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package bbolt
@@ -17,7 +18,7 @@ func mlock(db *DB, fileSize int) error {
 	return nil
 }
 
-//munlock unlocks memory of db file
+// munlock unlocks memory of db file
 func munlock(db *DB, fileSize int) error {
 	if db.dataref == nil {
 		return nil