Update gcc URL

Author: antoyo

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Download and install GCC fork
         if: ${{ matrix.os == 'ubuntu-24.04' }}
         run: |
-          curl -LO https://github.com/antoyo/gcc/releases/latest/download/gcc-15.deb
+          curl -LO https://github.com/rust-lang/gcc/releases/latest/download/gcc-15.deb
           sudo dpkg --force-overwrite -i gcc-15.deb
 
       - name: Set env