fix(apigw): add all safe URI chars RFC3986 pt2

Author: heitorlessa

aws_lambda_powertools/event_handler/api_gateway.py

@@ -22,7 +22,7 @@
 
 _DYNAMIC_ROUTE_PATTERN = r"(<\w+>)"
 # Safe URI chars https://www.ietf.org/rfc/rfc3986.txt
-_NAMED_GROUP_BOUNDARY_PATTERN = r"(?P\1[-._~()'!*:@,;\\w]+)"
+_NAMED_GROUP_BOUNDARY_PATTERN = r"(?P\1[-._~()'!*:@%#,;\\w]+)"
 
 
 class ProxyEventType(Enum):

tests/functional/event_handler/test_api_gateway.py

@@ -703,7 +703,7 @@ def get_network_account(account_id: str, network_id: str):
     app.resolve(event, {})
 
 
-@pytest.mark.parametrize("req", [123456789, "user@example.com", "<foo>", "-._~'!*:@,;"])
+@pytest.mark.parametrize("req", [123456789, "user@example.com", "-._~'!*:@,;%#"])
 def test_non_word_chars_route(req):
     # GIVEN
     app = ApiGatewayResolver()