Fix version

Fix zero-version by fetching the whole Git history.

Author: martincostello

.github/workflows/oats.yml

@@ -23,6 +23,7 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
+        fetch-depth: 0
         filter: 'tree:0'
         persist-credentials: false
         show-progress: false