Upgrade to python 3.12 and fixed version of pymodbus

.devcontainer/devcontainer.json

@@ -1,7 +1,7 @@
 {
 	"name": "Modbus Local Dev",
-	"image": "mcr.microsoft.com/devcontainers/python:1-3.11-bullseye",
-	"postCreateCommand": "pip3 install --user -r requirements.txt",
+	"image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
+	"postCreateCommand": "pip3 install --user -r requirements-dev.txt",
 	"containerEnv": {
 		"DEVCONTAINER": "1"
 	},
@@ -37,7 +37,8 @@
 				"ms-python.isort",
 				"ms-python.python",
 				"ryanluker.vscode-coverage-gutters",
-				"donjayamanne.git-extension-pack"
+				"donjayamanne.git-extension-pack",
+				"github.vscode-github-actions"
 			],
 			"settings": {
 				"python.testing.pytestArgs": [

.github/workflows/linting.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install dependencies
         run: |

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.12"]
 
     steps:
       - uses: actions/checkout@v4

requirements-dev.txt

@@ -6,4 +6,6 @@ pytest-homeassistant-custom-component
 pytest
 pytest-asyncio
 pytest-cov
-pylint
+pylint
+
+-r requirements.txt

requirements.txt

@@ -1,2 +1,2 @@
-pycryptodome
-pymodbus
+pycryptodome>=3.20.0
+pymodbus>=3.6.6