mypy is passing, require typecheck outcome to be positive

Author: youtux

.github/workflows/main.yml

@@ -13,27 +13,27 @@ jobs:
         include:
           - python-version: "3.8"
             toxfactor: py3.8
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
           - python-version: "3.9"
             toxfactor: py3.9
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
           - python-version: "3.10"
             toxfactor: py3.10
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
           - python-version: "3.11"
             toxfactor: py3.11
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
           - python-version: "3.12"
             toxfactor: py3.12
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
           - python-version: "3.13-dev"
             toxfactor: py3.13
-            ignore-typecheck-outcome: true
+            ignore-typecheck-outcome: false
             ignore-test-outcome: false
 
     steps: