tox: Bump mypy to 1.8.0

Related to swh/meta#5075.

swh/scrubber/db.py

@@ -593,7 +593,7 @@ class ScrubberDb(BaseDb):
             )
 
             for row in cur:
-                yield tuple(row)  # type: ignore[misc]
+                yield tuple(row)
 
     ####################################
     # Inventory of objects with issues

tox.ini

@@ -45,7 +45,7 @@ commands =
 extras =
   testing
 deps =
-  mypy==1.0.1
+  mypy==1.8.0
 commands =
   mypy swh