Update tsc-voting-results.md

Signed-off-by: Jessica G <jwagantall@linuxfoundation.org>

Author: jwagantall

content/posts/tsc-voting-results.md

@@ -2,7 +2,7 @@
 +++
 title = 'Results of the Hiero Technical Steering Committee Elections'
 featured_image = "/images/TSC_results_V1.jpg"
-showFeaturedImageInArticle = false
+preview_only = true
 date = 2025-06-02T00:00:00-07:00
 categories = ["Blog"]
 duration = ""