Add mypy checks to pylint plugins (#72821)

.github/workflows/ci.yaml

@@ -689,7 +689,7 @@ jobs:
         run: |
           . venv/bin/activate
           python --version
-          mypy homeassistant
+          mypy homeassistant pylint
       - name: Run mypy (partially)
         if: needs.changes.outputs.test_full_suite == 'false'
         shell: bash

.pre-commit-config.yaml

@@ -93,7 +93,7 @@ repos:
         language: script
         types: [python]
         require_serial: true
-        files: ^homeassistant/.+\.py$
+        files: ^(homeassistant|pylint)/.+\.py$
       - id: pylint
         name: pylint
         entry: script/run-in-env.sh pylint -j 0