Fix formatting of desirable skills section in 2026.md

Author: wslany

pages/development/google-summer-of-code/2026.md

@@ -329,7 +329,7 @@ Expected Outcome
 {: .highlight }
 > **Required Skills**: Strong programming fundamentals, smart contract development, blockchain architecture understanding, API design and system integration, security and access-control concepts
 > **Possible Mentors**: Garima Jain, Supreeth Kumar M
-> **Desirable Skills**: Privacy-by-design principles, cryptographic hashing, regulatory-aware system design  
+> **Desirable Skills**: Privacy-by-design principles, cryptographic hashing, regulatory-aware system design
 > **Expected Outcome**: A complete blockchain-based consent and governance framework for IoT care systems  
 > **Difficulty level**: Advanced  
 > **Project Size**: Large