Fix ROCm blog post authors

Author: Zeldhoron

docs/blog/.authors.yml

@@ -69,3 +69,8 @@ authors:
     description: Inuits
     avatar: https://avatars.githubusercontent.com/u/78806270?v=4
     slug: https://github.com/Timvnc
+  ocaisa:
+    name: Alan O'Cais
+    description: University of Barcelona
+    avatar: https://avatars.githubusercontent.com/u/3840437?v=4
+    slug: https://github.com/ocaisa

docs/blog/posts/2025/05/eessi-rocm.md

@@ -1,5 +1,5 @@
 ---
-authors: [toine, timvc]
+authors: [toine, timvc, boegel, ocaisa, darkless]
 date: 2025-05-26
 slug: rocm
 ---