fix: add timeout for unit tests workflows (#2613)

fix: add timeout for unit tests and test CLI in Python workflow

.github/workflows/python_test.yml

@@ -39,6 +39,7 @@ jobs:
           poetry env use ${{ matrix.python-version }}
           poetry install
       - name: Run unit tests
+        timeout-minutes: 12
         run: |
           make unit_tests
       - name: Test CLI

.github/workflows/typescript_test.yml

@@ -110,6 +110,7 @@ jobs:
           cd src/frontend
           npx playwright test --trace on --shard ${{ matrix.shardIndex }}/${{ matrix.shardTotal }} --workers 2
         continue-on-error: true
+        timeout-minutes: 12
 
       # If the test fails, set a flag to indicate that the shard failed
       - name: Set failure flag