update admonition

Author: edwardchalstrey1

content/gsoc_2026.md

@@ -1,8 +1,8 @@
 # Google Summer of Code 2026
 
-> [!IMPORTANT] 
-> **2026-03-24**: 
-> Please note that If you are not already in touch with the Gambit team about a GSoC 2026 proposal, unfortunately, at this point in time, and with the extremely large volume of interest this year, we will not be able to engage with you to discuss new proposals. Please feel free to get in contact with us later if you are still in interested in contributing to Gambit.
+{{< admonition important >}}
+**2026-03-24**: Please note that If you are not already in touch with the Gambit team about a GSoC 2026 proposal, unfortunately, at this point in time, and with the extremely large volume of interest this year, we will not be able to engage with you to discuss new proposals. Please feel free to get in contact with us later if you are still in interested in contributing to Gambit.
+{{< /admonition >}}
 
 
 The Gambit project is sumbitting projects as an organization for [Google Summer of Code 2026](https://summerofcode.withgoogle.com/).