Install hugo

Author: illicitonion

.github/workflows/build-all-sites.yml

@@ -13,5 +13,10 @@ jobs:
         uses: actions/setup-go@v4
         with:
           go-version: 1.21
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f
+        with:
+          hugo-version: '0.136.3'
+          extended: true
       - name: Build all sites
         run: ./tooling/build_all_sites.sh