Update digest updater workflow

[atheo89]

Related to:

• https://issues.redhat.com/browse/RHOAIENG-2928
• https://issues.redhat.com/browse/RHOAIENG-2924

Description

This PR updates the digest updater workflow to the following points:

• Now, considers also the new notebooks such as code-server and rstudio-server
• Updates runtimes (No more manual update!)
• Update and clean up the overall code

How Has This Been Tested?

• Execution of this workflow on a simulated repo -> https://github.com/atheo89/autorefresh-image-digest-workflow/actions/runs/8373736758
• Automated PR -> [Digest Updater Action] Update notebook's imageStreams image tag to digest format atheo89/autorefresh-image-digest-workflow#79

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[openshift-ci]

@atheo89: /override requires failed status contexts, check run or a prowjob name to operate on.
The following unknown contexts/checkruns were given:

• /prow/images

Only the following failed contexts/checkruns were expected:

• ci/prow/images
• pull-ci-opendatahub-io-notebooks-2023a-images
• tide

If you are trying to override a checkrun that has a space in it, you must put a double quote on the context.

In response to this:

/override /prow/images

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.

[atheo89]

/override ci/prow/images

[openshift-ci]

@atheo89: Overrode contexts on behalf of atheo89: ci/prow/images

In response to this:

/override ci/prow/images

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.

[harshad16]

Can we split this:

• runtime upgrade should be a new workflow,
  as runtimes are updated , and injected
  and the next build of images is used.

[harshad16]

Few changes:

• Please fix the spelling in the commit message.
• The two commit are not clear cuts, if we want them separate
  we should have the runtime changes only in one commit
  or we should squash them both.

[atheo89]

Few changes:

• Please fix the spelling in the commit message.
• The two commit are not clear cuts, if we want them separate
  we should have the runtime changes only in one commit
  or we should squash them both.

It should be fixed now!

[harshad16]

/lgtm
/approve

thanks 💯

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

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