Fix URL for IUT Clermont Auvergne

https://iut.clermont.auvergne.fr/ is not accessible. Maybe recently changed.

Author: pavanvidem

content/events/gcc2026/travel/index.md

@@ -196,7 +196,7 @@ The university excels in numerous fields including **physics, chemistry, health
 
 # GCC2026 Location
 
-**GCC2026 will be held at the [IUT Clermont Auvergne](https://iut.clermont.auvergne.fr/)**—a branch of **Université Clermont Auvergne (UCA)** specializing in **technical and professional education**. Located on the **Cezeaux campus**, the IUT offers modern facilities and a vibrant academic environment, making it an ideal setting for the Galaxy Community Conference.
+**GCC2026 will be held at the [IUT Clermont Auvergne](https://iut.uca.fr/)**—a branch of **Université Clermont Auvergne (UCA)** specializing in **technical and professional education**. Located on the **Cezeaux campus**, the IUT offers modern facilities and a vibrant academic environment, making it an ideal setting for the Galaxy Community Conference.
 
 The **Cezeaux campus** is situated just **5 kilometers from Clermont-Ferrand's city center**, ensuring easy access for all attendees:
 - **Public Transportation**: The campus is well-connected via **tramway (Line A, "Université" stop)** and **multiple bus lines** (e.g., Line 6, 32, or 35).