NO-ISSUE: [release-ocm-2.10] Bump OCP versions: 4.14, 4.15

[danmanor]

OpenShift updates: 4.15.20-multi -> 4.15.21-multi, 4.14.31 -> 4.14.32, 4.14.31-multi -> 4.14.32-multi, 4.15.20 -> 4.15.21
RHCOS updates:

/cc @rccrdpccl @gamli75

[openshift-ci-robot]

@danmanor: This pull request explicitly references no jira issue.

In response to this:

OpenShift updates: 4.15.20-multi -> 4.15.21-multi, 4.14.31 -> 4.14.32, 4.14.31-multi -> 4.14.32-multi, 4.15.20 -> 4.15.21
RHCOS updates:

/cc @rccrdpccl @gamli75

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.31%. Comparing base (fc5763c) to head (155076b).

Additional details and impacted files

@@                 Coverage Diff                  @@
##           release-ocm-2.10    #6574      +/-   ##
====================================================
+ Coverage             68.29%   68.31%   +0.01%     
====================================================
  Files                   236      236              
  Lines                 35090    35090              
====================================================
+ Hits                  23965    23971       +6     
+ Misses                 9050     9048       -2     
+ Partials               2075     2071       -4     

see 3 files with indirect coverage changes

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: danmanor, gamli75

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[openshift-ci]

@danmanor: all tests passed!

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