Update github CI default Go version

Author: eliben

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        go-version: [1.25.1]
+        go-version: [1.26.0]
 
     runs-on: ${{ matrix.os }}
     steps: