ci: update Node.js test versions

see: loopbackio/cicd#27
see: loopbackio/cicd#83
Signed-off-by: Rifa Achrinza <[email protected]>

Author: achrinza

.github/workflows/continuous-integration.yaml

@@ -19,12 +19,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: [10, 12, 14, 16]
+        node-version: [10, 12, 14, 16, 18, 20, 21]
         include:
           - os: macos-latest
-            node-version: 14 # LTS
+            node-version: 18 # LTS
           - os: windows-latest
-            node-version: 14 # LTS
+            node-version: 18 # LTS
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps: