ci: fix build-cross job to use Go 1.26

Author: MimoJanra

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.22'
+          go-version: '1.26'
           cache: true
 
       - name: Build