Set up go beforehand

.github/workflows/publish.yml

@@ -29,6 +29,9 @@ jobs:
     env:
       HUGO_VERSION: 0.111.3
     steps:
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21.1'
       - name: Install Hugo CLI
         run: |
           wget -O ${{ runner.temp }}/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb \
@@ -61,6 +64,7 @@ jobs:
       - name: Syndicate
         run: |
           cd tools/syndicate
+          go mod download
           go run .
           if git diff-index --quiet HEAD; then
             echo "No syndication changes made"