Add github action timeouts (#195)

.github/workflows/test-docs.yml

@@ -5,6 +5,7 @@ on: [push, pull_request]
 jobs:
   test_docs:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: ["3.10"]

.github/workflows/test.yml

@@ -12,6 +12,7 @@ jobs:
   test:
     name: test py${{ matrix.python-version }} with ${{ matrix.db_name }}
     runs-on: ubuntu-latest
+    timeout-minutes: 8
     strategy:
       matrix:
         python-version: ["3.10", "3.11"]