ci: bump python version to 3.11

[sadlerap]

This was causing some small issues in linting; might as well bump it to latest available.

Changes

/kind bug

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• Docs
  included if any changes are user facing
• Tests
  included if any functionality added or changed. For bugfixes please include tests that can catch regressions
• All acceptance test scenarios included in the PR which verifies a bugfix or a requested feature reported by a non-member are tagged with @external-feedback tag.
• Follows the commit message standard

[codecov]

Codecov Report

Merging #1469 (e8ce4ce) into master (37ec3c0) will not change coverage.
Report is 5 commits behind head on master.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1469   +/-   ##
=======================================
  Coverage   58.16%   58.16%           
=======================================
  Files          35       35           
  Lines        3014     3014           
=======================================
  Hits         1753     1753           
  Misses       1093     1093           
  Partials      168      168           

---

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[filariow]

/lgtm
/approve

[sadlerap]

/test 4.10-acceptance
/test 4.11-acceptance
/test 4.12-acceptance

[sadlerap]

@filariow can you re-approve? I don't think tide picked up your approval :(

[filariow]

/lgtm
/approve

[openshift-ci]

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[sadlerap]

/retest