Fix broken relative URL in car port PR template (#21014)

* Relative to absolute URL

* Fix URL in another location
old-commit-hash: 4587c17f44

.github/PULL_REQUEST_TEMPLATE/car_port.md

@@ -9,6 +9,6 @@ assignees: ''
 **Checklist**
 
 - [ ] added to README
-- [ ] test route added to [test_routes.py](../../selfdrive/test/test_routes.py)
+- [ ] test route added to [test_routes.py](https://github.com/commaai/openpilot/blob/master/selfdrive/test/test_models.py)
 - [ ] route with openpilot:
 - [ ] route with stock system:

.github/pull_request_template.md

@@ -23,7 +23,7 @@ Route: [a route with the bug fix]
 
 **Checklist**
 - [ ] added to README
-- [ ] test route added to [test_routes.py](../../selfdrive/test/test_routes.py)
+- [ ] test route added to [test_routes.py](https://github.com/commaai/openpilot/blob/master/selfdrive/test/test_models.py)
 - [ ] route with openpilot:
 - [ ] route with stock system: