Update dependencies

Among others, this updates minio-go, so that the new "eu-west-3" zone
for AWS is supported.

vendor/cloud.google.com/go/firestore/testdata/create-st-noarray.textproto

@@ -0,0 +1,12 @@
+# DO NOT MODIFY. This file was generated by
+# github.com/GoogleCloudPlatform/google-cloud-common/testing/firestore/cmd/generate-firestore-tests/generate-firestore-tests.go.
+
+# The ServerTimestamp sentinel must be the value of a field. Firestore transforms
+# don't support array indexing.
+
+description: "create: ServerTimestamp cannot be in an array value"
+create: <
+  doc_ref_path: "projects/projectID/databases/(default)/documents/C/d"
+  json_data: "{\"a\": [1, 2, \"ServerTimestamp\"]}"
+  is_error: true
+>