Add collaborator 'Dev-iL' to .asf.yaml

Adds @Dev-iL as collaborator (not committer). See https://github.com/apache/infrastructure-asfyaml/blob/main/README.md#assigning-the-github-triage-role-to-external-collaborators for more details on this.

Author: skrawcz

.asf.yaml

@@ -56,6 +56,8 @@ github:
         dismiss_stale_reviews: false
         require_code_owner_reviews: false
         required_approving_review_count: 1
+  collaborators:
+    - Dev-iL
 
 notifications:
   commits:              [email protected]