update Hacktoberfest 2025 event images and imports

Signed-off-by: Lee Calcote <lee.calcote@layer5.io>

Author: leecalcote

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

@@ -1,8 +1,8 @@
 ---
 title: "Hacktoberfest Prep 2025: Design with Meshery"
 description: "Prepare for Hacktoberfest with Layer5 MeshMates and Maintainers. Join seasoned open source maintainers, hack through easy issues, and grow your skills. Discover Newcomers resources and explore the Layer5 Community Handbook."
-thumbnail: ./layer5-hacktoberfest11-badge-large.png
-darkthumbnail: ./layer5-hacktoberfest11-badge-large.png
+thumbnail: ./hacktoberfest-layer5-first-pr.webp
+darkthumbnail: ./hacktoberfest-layer5-open-arms.webp
 date: 2025-10-03
 #eurl: https://hacktoberfest.com
 type: Event
@@ -14,7 +14,9 @@ register: true
 
 import { Link } from "gatsby" ;
 // import preptemberslides from "./hacktoberfest-prep-2024-extending-meshery-models.pdf"
-import hacktoberfestBadge from "./layer5-hacktoberfest11-badge-large.png";
+import hacktoberfestBadge from "./hacktoberfest-layer5-first-pr.webp";
+import hacktoberfestFirstPR from "./hacktoberfest-layer5-first-pr.webp";
+import hacktoberfestOpenArms from "./hacktoberfest-layer5-open-arms.webp";
 
 <p>
 <Link to="/programs/hacktoberfest">Hacktoberfest</Link> is just around the corner. You'd be surprised to know how small changes can make a big impact on a project. The more a project scales, the easier it is for small errors to live within it. You can make a real difference by fixing these relatively easier issues and continue to grow from there.