Merge pull request #752 from saschagrunert/semver-v4

Switch to `github.com/blang/semver/v4`

Author: kolyshkin

go.mod

@@ -3,7 +3,7 @@ module github.com/opencontainers/runtime-tools
 go 1.16
 
 require (
-	github.com/blang/semver v3.5.0+incompatible
+	github.com/blang/semver/v4 v4.0.0
 	github.com/google/uuid v1.3.0
 	github.com/hashicorp/go-multierror v1.1.1
 	github.com/mndrix/tap-go v0.0.0-20171203230836-629fa407e90b

go.sum

@@ -1,5 +1,5 @@
-github.com/blang/semver v3.5.0+incompatible h1:CGxCgetQ64DKk7rdZ++Vfnb1+ogGNnB17OJKJXD2Cfs=
-github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
+github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
+github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

validate/validate.go

@@ -16,7 +16,7 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/blang/semver"
+	"github.com/blang/semver/v4"
 	"github.com/hashicorp/go-multierror"
 	rspec "github.com/opencontainers/runtime-spec/specs-go"
 	osFilepath "github.com/opencontainers/runtime-tools/filepath"