update Hacktoberfest speaker list to include Ijeoma

Signed-off-by: Eti Ijeoma <53005190+Aijeyomah@users.noreply.github.com>

Author: Aijeyomah

src/collections/events/2025/hacktoberfest-2025/index.mdx

@@ -6,7 +6,7 @@ darkthumbnail: ./hacktoberfest-layer5-first-pr.webp
 date: 2025-10-03
 eurl: https://youtube.com/live/1-oaEy0Pm5I?feature=share
 type: Event
-speakers: [Ritesh Karankal, Aabid Sofi, Yash Sharma]
+speakers: [Ritesh Karankal, Aabid Sofi, Yash Sharma, Ijeoma Eti]
 published: true
 upcoming: true
 register: true