semver: forward to x/mod/semver (#210)

This is now the canonical location of the semver package.

semver/forward.go

@@ -0,0 +1,37 @@
+// Package semver is a thin forwarding layer on top of
+// [golang.org/x/mod/semver]. See that package for documentation.
+package semver
+
+import "golang.org/x/mod/semver"
+
+func IsValid(v string) bool {
+	return semver.IsValid(v)
+}
+
+func Canonical(v string) string {
+	return semver.Canonical(v)
+}
+
+func Major(v string) string {
+	return semver.Major(v)
+}
+
+func MajorMinor(v string) string {
+	return semver.MajorMinor(v)
+}
+
+func Prerelease(v string) string {
+	return semver.Prerelease(v)
+}
+
+func Build(v string) string {
+	return semver.Build(v)
+}
+
+func Compare(v, w string) int {
+	return semver.Compare(v, w)
+}
+
+func Max(v, w string) string {
+	return semver.Max(v, w)
+}