add script to automate gopogh version update

[prezha]

fixes: #9850

note: in order for this to work, it requires pr #9852 from issue #9851 to be merged first

example script output (using mocked gopogh version bump to v1.2.3):

❯ go run update_gopogh_version.go
I1204 12:35:40.158705   31686 update_gopogh_version.go:96] gopogh stable version: v1.2.3
I1204 12:35:40.160108   31686 update.go:112] The Plan:
{
  ".github/workflows/iso.yml": {
    "replace": {
      "(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh": "https://github.com/medyagh/gopogh/releases/download/v1.2.3/gopogh"
    }
  },
  ".github/workflows/kic_image.yml": {
    "replace": {
      "(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh": "https://github.com/medyagh/gopogh/releases/download/v1.2.3/gopogh"
    }
  },
  ".github/workflows/master.yml": {
    "replace": {
      "(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh": "https://github.com/medyagh/gopogh/releases/download/v1.2.3/gopogh"
    }
  },
  ".github/workflows/pr.yml": {
    "replace": {
      "(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh": "https://github.com/medyagh/gopogh/releases/download/v1.2.3/gopogh"
    }
  },
  "hack/jenkins/common.sh": {
    "replace": {
      "(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh": "https://github.com/medyagh/gopogh/releases/download/v1.2.3/gopogh"
    }
  }
}
I1204 12:35:40.164419   31686 update.go:121] Local repo successfully updated

[k8s-ci-robot]

Hi @prezha. Thanks for your PR.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: medyagh, prezha

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