[release-1.6] Allow multiple tags in imagestreams

[kubevirt-bot]

This is an automated cherry-pick of #1739

/assign nunnatsa

Allow multiple tags in imagestreams

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[coveralls]

Pull Request Test Coverage Report for Build 1750462844

• 46 of 46 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.2%) to 85.32%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/controller/operands/imageStream.go	1	84.66%

Totals
Change from base Build 1741826137:	0.2%
Covered Lines:	3621
Relevant Lines:	4244

---

💛 - Coveralls

[tiraboschi]

/approve

[kubevirt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tiraboschi

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[openshift-ci]

@kubevirt-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/hco-e2e-upgrade-prev-index-azure	32dcda2	link	true	/test hco-e2e-upgrade-prev-index-azure

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[hco-bot]

hco-e2e-upgrade-prev-index-aws lane succeeded.
/override ci/prow/hco-e2e-upgrade-prev-index-azure

[kubevirt-bot]

@hco-bot: Overrode contexts on behalf of hco-bot: ci/prow/hco-e2e-upgrade-prev-index-azure

In response to this:

hco-e2e-upgrade-prev-index-aws lane succeeded.
/override ci/prow/hco-e2e-upgrade-prev-index-azure

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.