chore(deps): bump github.com/stretchr/testify from 1.7.2 to 1.7.3

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.7.2 to 1.7.3.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.7.2...v1.7.3)

go.mod

@@ -4,5 +4,5 @@ go 1.15
 
 require (
 	github.com/apex/log v1.9.0
-	github.com/stretchr/testify v1.7.2
+	github.com/stretchr/testify v1.7.3
 )