fix: use golang:1.23-bookworm and install Node via binary

.gitea/workflows/homelab-main.yml

@@ -30,7 +30,7 @@ jobs:
 
   deploy:
     runs-on: k8s
-    container: golang:1.23-bullseye
+    container: golang:1.23-bookworm
     needs:
       - validate
     if: ${{ gitea.ref == 'refs/heads/main' }}
@@ -38,10 +38,11 @@ jobs:
       - name: Install Toolchain (Python, Node)
         run: |
           set -e
+          # Install pip via bootstrap
           curl -sS https://bootstrap.pypa.io/get-pip.py | python3
           python3 -m pip install PyYAML
-          curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
-          apt-get update && apt-get install -y nodejs
+          # Install Node 18 via binary
+          curl -fsSL https://nodejs.org/dist/v18.19.0/node-v18.19.0-linux-x64.tar.xz | tar -xJ -C /usr/local --strip-components=1
       - name: Check out repository
         run: |
           set -e