Fix collaborator image link

Co-authored-by: Copilot <copilot@github.com>

src/components/Collaboration.tsx

@@ -9,7 +9,7 @@ const Collaboration = () => {
         <div className={styles.collabLogoRow}>
           <img
             className={styles.collabLogo}
-            src='../../public/collaborators/skr.png'
+            src='/collaborators/skr.png'
             alt='Suomen Kulttuurirahaston logo'
           />
         </div>