ci: update Go to 1.26.0

Author: qevolg

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25.10"
+          go-version: "1.26.0"
           cache-dependency-path: taosadapter/go.sum
 
       - name: Build and install taosadapter