fix: article last modified times being built time

CI runner was only fetching latest commit

Author: carsakiller

.github/workflows/deploy.yml

@@ -18,6 +18,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
       - name: Install, build, and upload site
         uses: withastro/action@v0