fix(ci): use system python3 instead of python3.11 (Ubuntu 24.04 has 3.12)

.gitea/workflows/ci-cd.yml

@@ -7,7 +7,7 @@ on:
     branches: [ main, develop, dev ]
 
 env:
-  PYTHON_VERSION: "3.11"
+  PYTHON_VERSION: "3"
 
 jobs:
   lint:
@@ -23,14 +23,14 @@ jobs:
 
       - name: Install Python and uv
         run: |
-          apt-get update && apt-get install -y python${PYTHON_VERSION} python${PYTHON_VERSION}-venv
+          apt-get update && apt-get install -y python3 python3-venv
           curl -LsSf https://astral.sh/uv/install.sh | sh
           export PATH="$HOME/.local/bin:$PATH"
 
       - name: Create virtual environment and install dependencies
         run: |
           export PATH="$HOME/.local/bin:$PATH"
-          uv venv --python python${PYTHON_VERSION}
+          uv venv
           source .venv/bin/activate
           uv sync --dev
 
@@ -59,14 +59,14 @@ jobs:
 
       - name: Install Python and uv
         run: |
-          apt-get update && apt-get install -y python${PYTHON_VERSION} python${PYTHON_VERSION}-venv
+          apt-get update && apt-get install -y python3 python3-venv
           curl -LsSf https://astral.sh/uv/install.sh | sh
           export PATH="$HOME/.local/bin:$PATH"
 
       - name: Create virtual environment and install dependencies
         run: |
           export PATH="$HOME/.local/bin:$PATH"
-          uv venv --python python${PYTHON_VERSION}
+          uv venv
           source .venv/bin/activate
           uv sync --dev