chore: add release please (midea-lan#202)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Chores**
- Implemented automated release workflow using GitHub Actions to
streamline the release process.
  
- **New Features**
- Version information is now dynamically loaded from a version file,
improving maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.github/workflows/release-please.yml

@@ -0,0 +1,19 @@
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: googleapis/release-please-action@v4
+        with:
+          token: ${{ secrets.MIDEA_GITHUB_PAT }}
+          release-type: python

midealocal/version.py

@@ -0,0 +1,3 @@
+"""Midea Local Version."""
+
+__version__ = "1.1.4"

setup.py

@@ -12,9 +12,15 @@
 with requirements.open(encoding="utf-8") as fp:
     requires = fp.read().splitlines()
 
+version: dict = {}
+version_file = Path("midealocal", "version.py")
+with version_file.open(encoding="utf-8") as fp:
+    exec(fp.read(), version)  # noqa: S102
+
+
 setuptools.setup(
     name="midea-local",
-    version="1.1.4",
+    version=version["__version__"],
     author="rokam",
     author_email="[email protected]",
     description="Control your Midea M-Smart appliances via local area network",