go.mod: Force update github.com/dimchansky/utfbom

Make vendor won't update this one apparently because it is an indirect
dependency.

mantle/go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/digitalocean/go-libvirt v0.0.0-20200810224808-b9c702499bf7 // indirect
 	github.com/digitalocean/go-qemu v0.0.0-20200529005954-1b453d036a9c
 	github.com/digitalocean/godo v1.33.0
-	github.com/dimchansky/utfbom v1.1.0 // indirect
+	github.com/dimchansky/utfbom v1.1.1 // indirect
 	github.com/golang/protobuf v1.4.2
 	github.com/gophercloud/gophercloud v0.17.0
 	github.com/gophercloud/utils v0.0.0-20210323225332-7b186010c04f

mantle/go.sum

@@ -141,6 +141,8 @@ github.com/digitalocean/godo v1.33.0 h1:JNZ/0v/Wp//UAIh84YWZ/x5neB3V5lKgcCHzyqEr
 github.com/digitalocean/godo v1.33.0/go.mod h1:iJnN9rVu6K5LioLxLimlq0uRI+y/eAQjROUmeU/r0hY=
 github.com/dimchansky/utfbom v1.1.0 h1:FcM3g+nofKgUteL8dm/UpdRXNC9KmADgTpLKsu0TRo4=
 github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
+github.com/dimchansky/utfbom v1.1.1 h1:vV6w1AhK4VMnhBno/TPVCoK9U/LP0PkLCS9tbxHdi/U=
+github.com/dimchansky/utfbom v1.1.1/go.mod h1:SxdoEBH5qIqFocHMyGOXVAybYJdr71b1Q/j0mACtrfE=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=