meta: loop userland-migrations in deprecations

PR-URL: #60299
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Jacob Smith <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>

Author: legendecas

.github/CODEOWNERS

@@ -228,3 +228,6 @@
 /lib/path.js @nodejs/path
 /lib/path/* @nodejs/path
 /test/parallel/test-path-* @nodejs/path
+
+# userland-migrations
+/doc/api/deprecations.md @nodejs/userland-migrations