Sonobuoy is still built within Golang 1.19

[violin8668]

What steps did you take and what happened:
[A clear and concise description of what the bug is.]
We found that sonobuoy binary is still built with Golang 1.19

What did you expect to happen:
Within Golang 1.21

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

admin [ / ]$ sonobuoy version
Sonobuoy Version: v0.57.1
MinimumKubeVersion: 1.17.0
MaximumKubeVersion: 1.99.99
GitSHA: 6f9e27f
GoVersion: go1.19.13
Platform: linux/amd64
API Version check skipped due to missing --kubeconfig or other error

[stale]

There has not been much activity here. We'll be closing this issue if there are no follow-ups within 15 days.