ci: fix failing mssql testing

Author: lotyp

.github/workflows/testing-mssql.yml

@@ -20,7 +20,7 @@ env:
 
 jobs:
   test-sqlserver:
-    timeout-minutes: 4
+    timeout-minutes: 8
     runs-on: ${{ matrix.os }}
     concurrency:
       cancel-in-progress: true