Fix date of v0.3.0 post (#21)

Author: Jeffwan

content/posts/2025-05-21-v0.3.0-release.md

@@ -1,5 +1,5 @@
 ---
-date: '2025-05-20T09:31:12-08:00'
+date: '2025-05-21T15:00:00-00:00'
 draft: false
 title: 'AIBrix v0.3.0 Release: KVCache Offloading, Prefix Cache, Fairness Routing, and Benchmarking Tools'
 author: ["The AIBrix Team"]