koji_block_retired: Do not hardcode distgit url

Signed-off-by: Lenka Segura <lsegura@redhat.com>

tests/utils/test_pagure.py

@@ -1842,7 +1842,7 @@ class TestPagureHasDeadPackageOnBranch:
         Setup method for the test class.
         """
         config = {
-            "pagure_url": "https://pagure.io",
+            "pagure_url": "https://src.stg.fedoraproject.org",
             "pagure_api_key": "Very secret key",
         }
         self.pagure = pagure.set_pagure(config)

toddlers/utils/pagure.py

@@ -1205,7 +1205,7 @@ class Pagure:
           package: Package name
           branch: Branch name
         """
-        distgit_url = "https://src.fedoraproject.org/api/0/rpms"
+        distgit_url = f"{self._pagure_url}/api/0/rpms"
         endpoint_url = f"{distgit_url}/{package}/tree/{branch}/f/dead.package"
 
         headers = self.get_auth_header()