Use gofrs/uuid instead of satori/go.uuid

The satori package appears to be unmaintained.  The gofrs package is a
fork that is actively maintained by a larger group of Go developers.

vendor/github.com/gofrs/uuid/fuzz.go

@@ -0,0 +1,47 @@
+// Copyright (c) 2018 Andrei Tudor Călin <mail@acln.ro>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// +build gofuzz
+
+package uuid
+
+// Fuzz implements a simple fuzz test for FromString / UnmarshalText.
+//
+// To run:
+//
+//     $ go get github.com/dvyukov/go-fuzz/...
+//     $ cd $GOPATH/src/github.com/gofrs/uuid
+//     $ go-fuzz-build github.com/gofrs/uuid
+//     $ go-fuzz -bin=uuid-fuzz.zip -workdir=./testdata
+//
+// If you make significant changes to FromString / UnmarshalText and add
+// new cases to fromStringTests (in codec_test.go), please run
+//
+//    $ go test -seed_fuzz_corpus
+//
+// to seed the corpus with the new interesting inputs, then run the fuzzer.
+func Fuzz(data []byte) int {
+	_, err := FromString(string(data))
+	if err != nil {
+		return 0
+	}
+	return 1
+}