ci: fetch all history

so `--version` is there.

.github/workflows/ci.yaml

@@ -13,6 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
       - run: sudo apt-get install -y make clang-format
       - run: make lint
       - run: git diff --exit-code