fix broken url

Author: zariiii9003

test/test_socketcan.py

@@ -377,7 +377,7 @@ def test_pypy_socketcan_support(self):
 
         This test shall document raw CAN socket support under PyPy. Once this test fails, it is likely that PyPy
         either implemented raw CAN socket support or at least changed the error that is thrown.
-        https://foss.heptapod.net/pypy/pypy/-/issues/3809
+        https://github.com/pypy/pypy/issues/3808
         https://github.com/hardbyte/python-can/issues/1479
         """
         try:
@@ -386,7 +386,7 @@ def test_pypy_socketcan_support(self):
             if "unknown address family" not in str(e):
                 warnings.warn(
                     "Please check if PyPy has implemented raw CAN socket support! "
-                    "See: https://foss.heptapod.net/pypy/pypy/-/issues/3809"
+                    "See: https://github.com/pypy/pypy/issues/3808"
                 )