CI: increase test timeout to 30 minutes

Signed-off-by: Christian Brabandt <[email protected]>

Author: chrisbra

.github/workflows/ci.yml

@@ -315,7 +315,7 @@ jobs:
           fi
 
       - name: Test
-        timeout-minutes: 25
+        timeout-minutes: 30
         run: |
           make ${SHADOWOPT} ${TEST}