fix workflow

.gitea/workflows/build-pdf.yml

@@ -13,6 +13,16 @@ jobs:
     container:
       image: golang:1.22-bookworm
     steps:
+      - name: Install Node 20 and Git
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends curl ca-certificates gnupg
+          install -d -m 0755 /etc/apt/keyrings
+          curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+          echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" > /etc/apt/sources.list.d/nodesource.list
+          apt-get update
+          apt-get install -y --no-install-recommends nodejs git
+          rm -rf /var/lib/apt/lists/*
       - name: Checkout
         uses: actions/checkout@v4
 
@@ -32,4 +42,3 @@ jobs:
           name: output-pdf
           path: _dist/output.pdf
           if-no-files-found: error
-