Upgrade depedencies before next release

[dsimansk]

Description

A bit of upgrade before next week's release.

/cc @vyasgun @rhuss

Changes

• Upgrade spf13/cobra to 1.6
• Upgrade k8s.io/cli-runtime to matching version

Reference

Fixes #

Release Note

[codecov[bot]]

Codecov Report

Base: 79.87% // Head: 79.87% // No change to project coverage :thumbsup:

Coverage data is based on head (c1dd41d) compared to base (a466745). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1748 +/- ## ======================================= Coverage 79.87% 79.87% ======================================= Files 174 174 Lines 13577 13577 ======================================= Hits 10845 10845 Misses 1990 1990 Partials 742 742 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative)

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[vyasgun]

/lgtm /approve

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dsimansk, vyasgun

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