ci: 移除 Install git 步骤

改用自定义镜像 duoqi-runner:bun-git（预装 git），无需每次 CI 安装。

.gitea/workflows/deploy.yml

@@ -20,9 +20,6 @@ jobs:
     name: Code Quality
     runs-on: ubuntu-latest
     steps:
-      - name: Install git
-        run: apt-get update && apt-get install -y git
-
       - name: Checkout code
         uses: actions/checkout@v4
 
@@ -38,9 +35,6 @@ jobs:
     runs-on: ubuntu-latest
     needs: quality
     steps:
-      - name: Install git
-        run: apt-get update && apt-get install -y git
-
       - name: Checkout code
         uses: actions/checkout@v4
 
@@ -63,9 +57,6 @@ jobs:
     needs: [quality, test]
     if: github.ref == 'refs/heads/develop'
     steps:
-      - name: Install git
-        run: apt-get update && apt-get install -y git
-
       - name: Checkout code
         uses: actions/checkout@v4
 
@@ -89,9 +80,6 @@ jobs:
     needs: [quality, test]
     if: github.ref == 'refs/heads/main'
     steps:
-      - name: Install git
-        run: apt-get update && apt-get install -y git
-
       - name: Checkout code
         uses: actions/checkout@v4