Try and adjust how the git repository is cloned.

.github/workflows/website_build.yml

@@ -63,8 +63,8 @@ jobs:
       - name: "Checkout `naev`"
         uses: actions/checkout@v3
         with:
-          repository: 'naev/naev'
-          submodules: 'recursive'
+          fetch-depth: 0
+          submodules: true
           path: /__w/naev.github.io/naev.github.io/staging
       - name: "Build API Docs"
         run: |