[chore]: Bump github.com/spf13/cobra from 1.8.1 to 1.9.1 (#3805)

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.8.1 to 1.9.1.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](https://github.com/spf13/cobra/compare/v1.8.1...v1.9.1)

---
updated-dependencies:
- dependency-name: github.com/spf13/cobra
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/vendor/github.com/spf13/pflag/ip.go b/vendor/github.com/spf13/pflag/ip.go
index 3d414ba69..06b8bcb57 100644
--- a/vendor/github.com/spf13/pflag/ip.go
+++ b/vendor/github.com/spf13/pflag/ip.go
@@ -16,6 +16,9 @@ func newIPValue(val net.IP, p *net.IP) *ipValue {
 
 func (i *ipValue) String() string { return net.IP(*i).String() }
 func (i *ipValue) Set(s string) error {
+	if s == "" {
+		return nil
+	}
 	ip := net.ParseIP(strings.TrimSpace(s))
 	if ip == nil {
 		return fmt.Errorf("failed to parse IP: %q", s)