go.mod: fix vendor/modules.txt

Signed-off-by: Vincent Demeester <[email protected]>

Author: vdemeester

vendor/modules.txt

@@ -420,6 +420,8 @@ github.com/modern-go/reflect2
 # github.com/morikuni/aec v1.0.0
 ## explicit
 github.com/morikuni/aec
+# github.com/onsi/ginkgo v1.16.5
+## explicit; go 1.16
 # github.com/opencontainers/go-digest v1.0.0
 ## explicit; go 1.13
 github.com/opencontainers/go-digest