Update release day to May 6 (v1.2.1)

Author: sgrebnov

website/blog/releases/v1.2.1.md

@@ -1,6 +1,6 @@
 ---
-date: 2025-05-06
-title: 'Spice v1.2.1 (May 5, 2025)'
+date: 2025-05-07
+title: 'Spice v1.2.1 (May 6, 2025)'
 type: blog
 authors: [sgrebnov]
 tags: [release,databricks,data-connector,m2m,parameterized queries]