vendor: update all dependencies to latest versions

vendor/cloud.google.com/go/firestore/testdata/set-mergeall-empty.textproto

@@ -0,0 +1,15 @@
+# DO NOT MODIFY. This file was generated by
+# github.com/GoogleCloudPlatform/google-cloud-common/testing/firestore/cmd/generate-firestore-tests/generate-firestore-tests.go.
+
+# It makes no sense to specify MergeAll and provide no data, so we disallow it on
+# the client.
+
+description: "set: MergeAll cannot be specified with empty data."
+set: <
+  doc_ref_path: "projects/projectID/databases/(default)/documents/C/d"
+  option: <
+    all: true
+  >
+  json_data: "{}"
+  is_error: true
+>