[8.4](backport #34075) [azure-eventhub input] Switch the run EPH run mode to non-blocking

[mergify]

This is an automatic backport of pull request #34075 done by Mergify.
Cherry-pick of 8f0db84 has failed:

On branch mergify/bp/8.4/pr-34075
Your branch is up to date with 'origin/8.4'.

You are currently cherry-picking commit 8f0db84225.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   CHANGELOG.next.asciidoc
	modified:   x-pack/filebeat/input/azureeventhub/eph.go
	modified:   x-pack/filebeat/input/azureeventhub/eph_test.go
	modified:   x-pack/filebeat/input/azureeventhub/input.go
	modified:   x-pack/filebeat/input/azureeventhub/input_test.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   x-pack/libbeat/management/generate_test.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[botelastic]

This pull request doesn't have a Team:<team> label.

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2022-12-22T15:28:18.964+0000

• Duration: 71 min 35 sec

Test stats 🧪

Test	Results
Failed	0
Passed	2188
Skipped	166
Total	2354

💚 Flaky test report

Tests succeeded.

🤖 GitHub comments

Expand to view the GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

• /package : Generate the packages and run the E2E tests.

• /beats-tester : Run the installation tests with beats-tester.

• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[mergify]

This pull request has not been merged yet. Could you please review and merge it @zmoog? 🙏