Update community champions list (#62761)

# Objective

@HalavicH Has been responsible for building out our csv preview feature
and producing plenty of high qualtiy PRs to do so. I'm marking him as a
community champion to recgonize that work and give is PRs higher
priority when it comes to review

Release Notes:

- N/A

.github/workflows/pr_issue_labeler.yml

@@ -84,6 +84,7 @@ jobs:
               'findrakecil',
               'FloppyDisco',
               'gko',
+              'HalavicH',
               'huacnlee',
               'imumesh18',
               'injust',