ci: drop node 12 from pipeline

Author: roggervalf

jobs/build.yml

@@ -11,12 +11,12 @@ jobs:
  strategy:
  maxParallel: 3
  matrix:
+ node-18:
+ node_version: ^18.20.8
  node-16:
  node_version: ^16.13.0
  node-14:
  node_version: ^14.18.0
- node-12:
- node_version: ^12.6.0
  steps:
  - task: NodeTool@0
  displayName: " Install Node.js"