ci: build in docs action without workflow dependency

.github/workflows/docs.yml

@@ -9,12 +9,15 @@ on:
 jobs:
   gen:
     runs-on: ubuntu-latest
-    needs: build
     steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+      - name: Download Task
+        run: 'sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d'
+      - name: Build
+        run: ./bin/task
       - name: Run docgen
         run: go run cmd/docgen/docgen.go
-      - name: Run Lua docgen
-        run: ./hilbish cmd/docgen/docgen.lua
       - name: Commit new docs
         uses: stefanzweifel/git-auto-commit-action@v4
         with: