version: add 3 methods

Added WithMajor, WithMinor, WithPatch and WithPreRelease methods
to the Version API.

These methods return copy of the Version object with one changed
property(Major, Minor, Patch or preRelease).

staging/src/k8s.io/apimachinery/pkg/util/version/version.go

@@ -154,6 +154,35 @@ func (v *Version) Components() []uint {
 	return v.components
 }
 
+// WithMajor returns copy of the version object with requested major number
+func (v *Version) WithMajor(major uint) *Version {
+	result := *v
+	result.components = []uint{major, v.Minor(), v.Patch()}
+	return &result
+}
+
+// WithMinor returns copy of the version object with requested minor number
+func (v *Version) WithMinor(minor uint) *Version {
+	result := *v
+	result.components = []uint{v.Major(), minor, v.Patch()}
+	return &result
+}
+
+// WithPatch returns copy of the version object with requested patch number
+func (v *Version) WithPatch(patch uint) *Version {
+	result := *v
+	result.components = []uint{v.Major(), v.Minor(), patch}
+	return &result
+}
+
+// WithPreRelease returns copy of the version object with requested prerelease
+func (v *Version) WithPreRelease(preRelease string) *Version {
+	result := *v
+	result.components = []uint{v.Major(), v.Minor(), v.Patch()}
+	result.preRelease = preRelease
+	return &result
+}
+
 // String converts a Version back to a string; note that for versions parsed with
 // ParseGeneric, this will not include the trailing uninterpreted portion of the version
 // number.