Add instructions how to use status check outside if conditionals

[arxeiss]

Why:

Closes: #39463

We want to send Slack message when job succeed, but also fails. And we had 2 action steps with same setup, except the message. By coincidence I have found that you can use job.status too. But it is not mentioned in the Status check functions. So I simply thought it is not possible at all.

After my finding, I was able to convert this

- name: Slack Notification Success
  if: success()
  uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1 - https://github.com/slackapi/slack-github-action/releases
  with:
      token: ${{ secrets.SLACK_BOT_TOKEN }}
      method: chat.postMessage
      payload: |
          {
            "channel": "${{ secrets.SLACK_CHANNEL_FOR_DEPLOYMENT }}",
            "text": "✅ *${{ inputs.env-values-path }}:* deployed successfully",
            "thread_ts": "${{ inputs.slack_thread }}"
          }
- name: Slack Notification Failure
  if: failure()
  uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1 - https://github.com/slackapi/slack-github-action/releases
  with:
      token: ${{ secrets.SLACK_BOT_TOKEN }}
      method: chat.postMessage
      payload: |
          {
            "channel": "${{ secrets.SLACK_CHANNEL_FOR_DEPLOYMENT }}",
            "text": "❌ *${{ inputs.env-values-path }}:* deployment failed. Check the pipeline ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}",
            "thread_ts": "${{ inputs.slack_thread }}"
          }

into

- name: Slack Notification Success
  if: success() || failure()
  uses: slackapi/slack-github-action@91efab103c0de0a537f72a35f6b8cda0ee76bf0a # v2.1.1 - https://github.com/slackapi/slack-github-action/releases
  with:
      token: ${{ secrets.SLACK_BOT_TOKEN }}
      method: chat.postMessage
      payload: |
          {
            "channel": "${{ secrets.SLACK_CHANNEL_FOR_DEPLOYMENT }}",
            "thread_ts": "${{ inputs.slack_thread }}",
            "text": "${{ job.status == 'success'
                && format(':white_check_mark: *{0}:* deployed successfully', inputs.env-values-path)
                || format(':x: *{0}:* deployment failed. Check the pipeline {1}/{2}/actions/runs/{3}', inputs.env-values-path, github.server_url, github.repository, github.run_id)
            }}"
          }

What's being changed (if available, include any code snippets, screenshots, or gifs):

Adding 1 more paragraph to Status check functions with link to https://docs.github.com/en/actions/reference/contexts-reference#job-context describing how to access same info like success() / failure() outside if conditionals

Check off the following:

• A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content.
• All CI checks are passing and the changes look good in the review environment.

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actions/reference/evaluate-expressions-in-workflows-and-actions.md	fpt ghec ghes@ 3.17 3.16 3.15 3.14	fpt ghec ghes@ 3.17 3.16 3.15 3.14

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🤖 This comment is automatically generated.

[Sharra-writes]

@arxeiss Thanks for opening an issue and PR about this! I'm glad you found a function that made your life easier. I'll definitely look into why it's not documented and whether it should be!