ci(forgejo): install git in commitlint container

.forgejo/workflows/ci.yml

@@ -130,6 +130,11 @@ jobs:
     container:
       image: node:22-slim
     steps:
+      - name: Install git
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends git
+          rm -rf /var/lib/apt/lists/*
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0