fix(ci): install git in node:24-alpine build container

.gitea/workflows/build.yml

@@ -11,6 +11,9 @@ jobs:
     runs-on: linux
     container: node:24-alpine
     steps:
+      - name: Install git
+        run: apk add --no-cache git
+
       - name: Checkout repository
         run: git clone --depth=1 http://x-access-token:${{ github.token }}@192.168.1.39:3000/${{ github.repository }}.git .