chore(deps): Update postgres-15 images for Openshift

[aThorp96]

Changes

Update the postgres-15 images used by Openshift for Tekton Results and Tekton Hub.
Made by running ./hack/openshift/update-image-sha.sh and staging only the updates to the postgres images

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Release Notes

Update Openshift Postgres15 image from `90ec347a35ab8a5d530c8d09f5347b13cc71df04f3b994bfa8b1a409b1171d59` to `327d89e4b62d990dbf55d3c78f271373747816c2e0ab3c943fb016cdcf12f9b5`

[pramodbindal]

@aThorp96
Please raise the PR for main branch first

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pramodbindal

The full list of commands accepted by this bot can be found here.

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Details

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• OWNERS [pramodbindal]

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[pramodbindal]

/lgtm

[pramodbindal]

/cherry-pick main

[aThorp96]

@pramodbindal the cherry pick won't work due to some changes. I'm opening a separate PR for main

[tekton-robot]

❌ Cherry-pick to main failed!

The automatic cherry-pick to main failed.

Output:

🤖 Starting cherry-pick process...
Fetching PR #3454 information...
❌ ERROR: PR #3454 is not merged yet (state: OPEN). Cherry-pick requires merged PRs.

Next steps:

• Check the action logs for complete details
• If the PR is not merged, merge it first and try again
• If there are conflicts, you'll need to manually cherry-pick this PR

[aThorp96]

PR for main: #3454

[mathur07]

3455
PR for main