type: fix mypy warnings in updated version

.readthedocs.yml

@@ -1,7 +1,7 @@
 version: 2
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-lts-latest
   tools:
     python: "3.12"
   apt_packages:

src/ahriman/core/configuration/configuration.py

@@ -80,7 +80,7 @@ class Configuration(configparser.RawConfigParser):
         """
         configparser.RawConfigParser.__init__(
             self,
-            dict_type=ConfigurationMultiDict if allow_multi_key else dict,  # type: ignore[arg-type]
+            dict_type=ConfigurationMultiDict if allow_multi_key else dict,
             allow_no_value=allow_no_value,
             strict=False,
             empty_lines_in_values=not allow_multi_key,

src/ahriman/core/configuration/shell_template.py

@@ -150,6 +150,6 @@ class ShellTemplate(Template):
                         break
 
         kwargs.update(mapping)
-        substituted = dict(generator(kwargs))
+        kwargs.update(dict(generator(kwargs)))
 
-        return self.safe_substitute(kwargs | substituted)
+        return self.safe_substitute(kwargs)

src/ahriman/web/views/base.py

@@ -209,8 +209,8 @@ class BaseView(View, CorsViewMixin):
             HTTPBadRequest: if supplied parameters are invalid
         """
         try:
-            limit = int(self.request.query.get("limit", default=-1))
+            limit = int(self.request.query.get("limit", -1))
-            offset = int(self.request.query.get("offset", default=0))
+            offset = int(self.request.query.get("offset", 0))
         except ValueError as ex:
             raise HTTPBadRequest(reason=str(ex))