use cached property instead of custom __getattr__ implementation

tests/ahriman/application/handlers/test_handler_validate.py

@@ -61,11 +61,14 @@ def test_schema(configuration: Configuration) -> None:
     assert schema.pop("console")
     assert schema.pop("email")
     assert schema.pop("github")
+    assert schema.pop("gitremote")
     assert schema.pop("html")
     assert schema.pop("keyring")
     assert schema.pop("keyring_generator")
     assert schema.pop("mirrorlist")
     assert schema.pop("mirrorlist_generator")
+    assert schema.pop("remote-pull")
+    assert schema.pop("remote-push")
     assert schema.pop("report")
     assert schema.pop("rsync")
     assert schema.pop("s3")

tests/testresources/core/ahriman.ini

@@ -25,7 +25,7 @@ ignore_packages =
 makechrootpkg_flags =
 makepkg_flags = --skippgpcheck
 triggers = ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger
-triggers_known = ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
+triggers_known = ahriman.core.gitremote.RemotePullTrigger ahriman.core.gitremote.RemotePushTrigger ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
 
 [repository]
 name = aur-clone