fix(ci): 修复pip --break-system-packages兼容性问题

旧Runner使用pip 22.0.2 (Python 3.10)，不支持--break-system-packages参数。
添加动态检测逻辑，兼容新旧版本pip和Python环境。

.gitea/workflows/ci-cd.yml

@@ -91,10 +91,16 @@ jobs:
       - name: Install dependencies
         shell: sh
         run: |
+          # Detect pip --break-system-packages support (pip >= 23.0 / PEP 668)
+          PIP_BREAK_FLAG=""
+          if python3 -m pip install --help 2>/dev/null | grep -q "break-system-packages"; then
+            PIP_BREAK_FLAG="--break-system-packages"
+          fi
+          echo "PIP_BREAK_FLAG=$PIP_BREAK_FLAG" >> "$GITHUB_ENV"
           set -eu
-          python3 -m pip install --break-system-packages -q -r requirements-base.txt
-          python3 -m pip install --break-system-packages -q -r requirements.txt
-          python3 -m pip install --break-system-packages -q -r requirements-dev.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-base.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-dev.txt
           python3 -m black --version
           python3 -m isort --version-number
           python3 -m flake8 --version
@@ -220,10 +226,16 @@ jobs:
       - name: Install dependencies
         shell: sh
         run: |
+          # Detect pip --break-system-packages support (pip >= 23.0 / PEP 668)
+          PIP_BREAK_FLAG=""
+          if python3 -m pip install --help 2>/dev/null | grep -q "break-system-packages"; then
+            PIP_BREAK_FLAG="--break-system-packages"
+          fi
+          echo "PIP_BREAK_FLAG=$PIP_BREAK_FLAG" >> "$GITHUB_ENV"
           set -eu
-          python3 -m pip install --break-system-packages -q -r requirements-base.txt
-          python3 -m pip install --break-system-packages -q -r requirements.txt
-          python3 -m pip install --break-system-packages -q -r requirements-dev.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-base.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-dev.txt
           pytest --version
 
       - name: Run unit tests with coverage
@@ -319,10 +331,16 @@ jobs:
       - name: Install dependencies
         shell: sh
         run: |
+          # Detect pip --break-system-packages support (pip >= 23.0 / PEP 668)
+          PIP_BREAK_FLAG=""
+          if python3 -m pip install --help 2>/dev/null | grep -q "break-system-packages"; then
+            PIP_BREAK_FLAG="--break-system-packages"
+          fi
+          echo "PIP_BREAK_FLAG=$PIP_BREAK_FLAG" >> "$GITHUB_ENV"
           set -eu
-          python3 -m pip install --break-system-packages -q -r requirements-base.txt
-          python3 -m pip install --break-system-packages -q -r requirements.txt
-          python3 -m pip install --break-system-packages -q -r requirements-dev.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-base.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements.txt
+          python3 -m pip install $PIP_BREAK_FLAG -q -r requirements-dev.txt
           pytest --version
 
       - name: Start Redis
@@ -394,7 +412,7 @@ jobs:
         shell: sh
         run: |
           set -eu
-          pip install --break-system-packages -q pytest-rerunfailures
+          pip install $PIP_BREAK_FLAG -q pytest-rerunfailures
           PYTHONPATH="$PWD/apps/api:$PWD" python3 -m coverage run --append \
             --source=apps/api/app,packages \
             --omit="*/migrations/*,*/tests/*,*/test_*.py,*/site-packages/*" \
@@ -536,6 +554,12 @@ jobs:
       - name: Install dependencies
         shell: sh
         run: |
+          # Detect pip --break-system-packages support (pip >= 23.0 / PEP 668)
+          PIP_BREAK_FLAG=""
+          if python3 -m pip install --help 2>/dev/null | grep -q "break-system-packages"; then
+            PIP_BREAK_FLAG="--break-system-packages"
+          fi
+          echo "PIP_BREAK_FLAG=$PIP_BREAK_FLAG" >> "$GITHUB_ENV"
           set -eu
           docker run --rm \
             -v "$PWD:/workspace" \