🐛 set tls min version to 1.2

[elgnay]

Summary

Some cluster with old Kubernetes version may not support TLS 1.3 yet.

Related issue(s)

Fixes #

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (fb6ce75) 60.44% compared to head (c260ac6) 60.44%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #245   +/-   ##
=======================================
  Coverage   60.44%   60.44%           
=======================================
  Files         132      132           
  Lines       13669    13669           
=======================================
  Hits         8262     8262           
+ Misses       4651     4650    -1     
- Partials      756      757    +1     

Flag	Coverage Δ
unit	60.44% <ø> (ø)

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see 1 file with indirect coverage changes

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[qiujian16]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: elgnay, qiujian16

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