Port to Forgejo Actions

.forgejo/workflows/main.yml

@@ -4,7 +4,9 @@ on: [push]
 jobs:
   deploy:
     name: Deploy Website
-    runs-on: ubuntu-latest
+    runs-on: docker
+    container:
+      image: alpine:3.20
     steps:
     - name: Set up SSH key
       run: |
@@ -15,10 +17,8 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Setup Hugo
-      uses: peaceiris/actions-hugo@v3
-      with:
-        hugo-version: '0.145.0'
-        extended: true
+      run: |
+        apk add hugo
 
     - name: Build
       run: hugo --minify