Add version number, include readme as long description, add explicit litex dependency, use github action for python install, add dependabot action upgrader, update checkout action

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -13,10 +13,18 @@ jobs:
       # Install Tools
       - name: Install Tools
         run: |
-          sudo apt-get install wget build-essential python3
-          pip3 install setuptools
-          pip3 install requests
-          pip3 install meson
+          sudo apt-get install wget build-essential
+
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+          cache: "pip"
+          cache-dependency-path: "setup.py"
+
+      - name: Install Python dependencies
+        run: |
+          python3 -m pip install setuptools requests pexpect meson
 
       # Install (n)Migen / LiteX / Cores
       - name: Install LiteX

setup.py

@@ -4,9 +4,16 @@ from setuptools import setup
 from setuptools import find_packages
 
 
+with open("README.md", "r") as fp:
+    long_description = fp.read()
+
+
 setup(
     name="litex-boards",
+    version="2023.08",
     description="LiteX supported boards",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
     author="Florent Kermarrec",
     author_email="florent@enjoy-digital.fr",
     url="http://enjoy-digital.fr",
@@ -14,6 +21,7 @@ setup(
     test_suite="test",
     license="BSD",
     python_requires="~=3.6",
+    install_requires=["litex"],
     include_package_data=True,
     packages=find_packages(exclude=['test*']),
 )