updating nodejs to 18

.gitea/workflows/godot-ci.yml

@@ -15,10 +15,14 @@ jobs:
     container:
       image: barichello/godot-ci:4.4
     steps:
-      - name: Install Node.js # Doing this becuase barichello/godot-ci:4.4 doesn't have nodejs installed, may need to make own docker image in the future
+      # Doing this becuase barichello/godot-ci:4.4 doesn't have nodejs installed, may need to make own docker image in the future
+      # By default ubuntu-22.04 has nodejs 12, but we need a more modern version for the actions/checkout@v4
+      - name: Install Node.js 
         run: |
           apt-get update
-          apt-get install -y nodejs npm
+          apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
+          apt-get install -y nodejs
       - name: Checkout
         uses: actions/checkout@v4
         with: