Update go dependencies to v1.17.0

vendor/go.uber.org/multierr/.travis.yml

@@ -9,7 +9,7 @@ env:
 go:
   - 1.7
   - 1.8
-  - 1.9
+  - tip
 
 cache:
   directories:

vendor/go.uber.org/multierr/error.go

@@ -33,7 +33,7 @@
 // If only two errors are being combined, the Append function may be used
 // instead.
 //
-// 	err = multierr.Append(reader.Close(), writer.Close())
+// 	err = multierr.Combine(reader.Close(), writer.Close())
 //
 // This makes it possible to record resource cleanup failures from deferred
 // blocks with the help of named return values.