ci: use golangci-lint-action v9 with go-install for v2 linter and Go 1.26

Author: dmirtillo

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
 
     # https://github.com/golangci/golangci-lint-action
     - name: Lint
-      uses: golangci/golangci-lint-action@v6
+      uses: golangci/golangci-lint-action@v9
       with:
         version: v2.10.1
         install-mode: go-install