build(deps): bump github.com/coreos/go-semver from 0.3.0 to 0.3.1

Bumps [github.com/coreos/go-semver](https://github.com/coreos/go-semver) from 0.3.0 to 0.3.1.
- [Release notes](https://github.com/coreos/go-semver/releases)
- [Commits](https://github.com/coreos/go-semver/compare/v0.3.0...v0.3.1)

---
updated-dependencies:
- dependency-name: github.com/coreos/go-semver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/coreos/go-semver/semver/semver.go

@@ -85,7 +85,7 @@ func (v *Version) Set(version string) error {
 		return fmt.Errorf("failed to validate metadata: %v", err)
 	}
 
-	parsed := make([]int64, 3, 3)
+	parsed := make([]int64, 3)
 
 	for i, v := range dotParts[:3] {
 		val, err := strconv.ParseInt(v, 10, 64)

vendor/modules.txt

@@ -244,8 +244,8 @@ github.com/containers/storage/pkg/promise
 github.com/containers/storage/pkg/reexec
 github.com/containers/storage/pkg/system
 github.com/containers/storage/pkg/unshare
-# github.com/coreos/go-semver v0.3.0
-## explicit
+# github.com/coreos/go-semver v0.3.1
+## explicit; go 1.8
 github.com/coreos/go-semver/semver
 # github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f
 ## explicit