Update gha to be branch version agnostic

[atheo89]

Related to: https://issues.redhat.com/browse/RHOAIENG-13322

Description

Previously the GHA had hard coded the branch version now by adding this step we can extract it from the branch-name variable.

    - name: Extract version from branch-name
      id: version
      run: |
        if [[ "${{ env.BRANCH_NAME }}" == "main" ]]; then
          VERSION="main"
        else
          VERSION=$(echo "${{ env.BRANCH_NAME }}" | sed -E 's/^v([0-9]+\.[0-9]+)-.*/\1/')
        fi
        echo "VERSION=$VERSION" >> ${GITHUB_OUTPUT}
        echo "Extracted VERSION is: $VERSION"

How Has This Been Tested?

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

[atheo89]

/cherrypick v1.7-branch

[openshift-cherrypick-robot]

@atheo89: once the present PR merges, I will cherry-pick it on top of v1.7-branch in a new PR and assign it to you.

In response to this:

/cherrypick v1.7-branch

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[atheo89]

/hold

working on the scenario that the branch name called "main"

[atheo89]

/unhold

make it to work also with main
Ready for review

[jiridanek]

/lgtm

[openshift-ci]

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[atheo89]

/override ci/prow/odh-notebook-controller-e2e
Since we didn't affect the kbnc code in order to merge this faster

[openshift-ci]

@atheo89: Overrode contexts on behalf of atheo89: ci/prow/odh-notebook-controller-e2e

In response to this:

/override ci/prow/odh-notebook-controller-e2e
Since we didn't affect the kbnc code in order to merge this faster

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-sigs/prow repository.

[openshift-cherrypick-robot]

@atheo89: new pull request created: #393

In response to this:

/cherrypick v1.7-branch

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[atheo89]

/cherrypick main

[openshift-cherrypick-robot]

@atheo89: new pull request created: #399

In response to this:

/cherrypick main

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-sigs/prow repository.