CI: lint: increase timeout

`lint / go / linux (go canary)` was often timing out

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

Author: AkihiroSuda

.github/workflows/workflow-lint.yml

@@ -34,7 +34,7 @@ jobs:
             goos: linux
             canary: true
     with:
-      timeout: 5
+      timeout: 10
       go-version: "1.25"
       runner: ubuntu-24.04
       # Note: in GitHub yaml world, if `matrix.canary` is undefined, and is passed to `inputs.canary`, the job