Bump github.com/stretchr/testify from 1.7.0 to 1.7.1

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.7.0...v1.7.1)

---
updated-dependencies:
- dependency-name: github.com/stretchr/testify
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/stretchr/testify/assert/assertion_compare_legacy.go

@@ -0,0 +1,16 @@
+//go:build !go1.17
+// +build !go1.17
+
+// TODO: once support for Go 1.16 is dropped, this file can be
+//       merged/removed with assertion_compare_go1.17_test.go and
+//       assertion_compare_can_convert.go
+
+package assert
+
+import "reflect"
+
+// Older versions of Go does not have the reflect.Value.CanConvert
+// method.
+func canConvert(value reflect.Value, to reflect.Type) bool {
+	return false
+}