Downgrade setuptools to fix CI (#50734)

.github/workflows/ci.yaml

@@ -56,7 +56,7 @@ jobs:
         run: |
           python -m venv venv
           . venv/bin/activate
-          pip install -U "pip<20.3" setuptools
+          pip install -U "pip<20.3" "setuptools<56.2"
           pip install -r requirements.txt -r requirements_test.txt
       - name: Generate partial pre-commit restore key
         id: generate-pre-commit-key
@@ -580,7 +580,7 @@ jobs:
 
           python -m venv venv
           . venv/bin/activate
-          pip install -U "pip<20.3" setuptools wheel
+          pip install -U "pip<20.3" "setuptools<56.2" wheel
           pip install -r requirements_all.txt
           pip install -r requirements_test.txt
           pip install -e .

homeassistant/helpers/template.py

@@ -24,7 +24,7 @@ import weakref
 import jinja2
 from jinja2 import contextfilter, contextfunction
 from jinja2.sandbox import ImmutableSandboxedEnvironment
-from jinja2.utils import Namespace  # type: ignore
+from jinja2.utils import Namespace
 import voluptuous as vol
 
 from homeassistant.const import (
@@ -581,9 +581,8 @@ class Template:
         self._strict = strict
         env = self._env
 
-        self._compiled = cast(
-            jinja2.Template,
-            jinja2.Template.from_code(env, self._compiled_code, env.globals, None),
+        self._compiled = jinja2.Template.from_code(
+            env, self._compiled_code, env.globals, None
         )
 
         return self._compiled