fix typo and pin hatch in CI

Author: peter

.github/workflows/deploy-web.yaml

@@ -19,8 +19,8 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - name: Install Hathch
-        run: pip install hatch
+      - name: Install Hatch
+        run: pip install hatch==1.15.1
       - uses: actions/cache@v4
         with:
           key: mkdocs-${{ github.ref }}