refactor(ci): increase job timeout

Author: nickkkccc

.github/workflows/tests.yml

@@ -32,7 +32,7 @@ env:
 jobs:
   tests-unit:
     runs-on: ubuntu-20.04-self-hosted
-    timeout-minutes: 20
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v6