Add :lambda-pull: attr to release notes

[bmorelli25]

Summary

This small change makes links visible when viewed in GitHub.

For #268.

[ghost]

❕ Build Aborted

Either there was a build timeout or someone aborted the build.

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: 2022-08-18T02:44:54.983+0000

• Duration: 63 min 0 sec

Test stats 🧪

Test	Results
Failed	0
Passed	65
Skipped	16
Total	81

🤖 GitHub comments

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

• /test : Re-trigger the build.

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