(actions) don't use ubuntu 22.04 for now (#1901)

* (actions) don't use ubuntu 22.04 for now

* (actions) don't use ubuntu 22.04 for now

Author: MatthijsBurgh

.github/workflows/nodeCI.yml

@@ -9,12 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-20.04, windows-latest]
         node: [ '14', '16' ]
         include:
         - os: windows-latest
           commandPrefix: ''
-        - os: ubuntu-latest
+        - os: ubuntu-20.04
           commandPrefix: xvfb-run
     runs-on: ${{ matrix.os }}
     steps: