Update ginkgo to v2 in go.mod, go.sum, vendor

This commit updates ginkgo to v2.
Note that because ginkgo/v2 requires go1.18, it was
updated as well.

Signed-off-by: liornoy <lnoy@redhat.com>
Co-authored-by: Sascha Grunert <sgrunert@redhat.com>

vendor/github.com/onsi/ginkgo/internal/leafnodes/interfaces.go

@@ -1,19 +0,0 @@
-package leafnodes
-
-import (
-	"github.com/onsi/ginkgo/types"
-)
-
-type BasicNode interface {
-	Type() types.SpecComponentType
-	Run() (types.SpecState, types.SpecFailure)
-	CodeLocation() types.CodeLocation
-}
-
-type SubjectNode interface {
-	BasicNode
-
-	Text() string
-	Flag() types.FlagType
-	Samples() int
-}