fix macos runners not having access to node 12

Author: cosmicexplorer

.github/workflows/continuous-integration.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: [12.x, 14.x, 16.x, 18.x, 20.x]
+        node-version: [14.x, 16.x, 18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v4