[3.5] add tls min/max version to grpc proxy

[tjungblu]

This adds the min and max TLS version support from #13506 and #15156 to the grpc proxy.

Fixes #13506
Backport of #18816

Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.

[tjungblu]

note to myself, I need to update the CHANGELOG

[ahrtr]

Please rebase this PR resolve the workflow failure.

[tjungblu]

@ahrtr I have rebased, but I don't think this workflow failure is related to this PR nor main.

[ahrtr]

new CVE? @ivanvc @jmhbnz @ArkaSaha30

Vulnerability #1: GO-2024-3250
    Improper error handling in ParseWithClaims and bad documentation may cause
    dangerous situations in github.com/golang-jwt/jwt
  More info: https://pkg.go.dev/vuln/GO-2024-3250
  Module: github.com/golang-jwt/jwt/v4
    Found in: github.com/golang-jwt/jwt/[email protected]
    Fixed in: github.com/golang-jwt/jwt/[email protected]
    Example traces found:
Error:       #1: auth/jwt.go:48:26: auth.tokenJWT.info calls jwt.Parse

[ahrtr]

Raised #18898

[jmhbnz]

LGTM - Thanks @tjungblu

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, jmhbnz, tjungblu

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[ivanvc]

/retest

Edit: ah, we need a rebase to have green tests

[ivanvc]

The backport LGTM. Should we rebase this branch before merging (to have green CI status)? Or should we just merge?

[ahrtr]

@tjungblu would you mind rebasing this PR before we merge it? thx

[tjungblu]

done

[ahrtr]

/retest