ci: shrink test matrix

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a1b663280c274f0a4a0882f2c65640231598fa3..6ab32fe76c1e60ac84547f6aa5142d1becf5f3c8 100644 (file)
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,9 +16,12 @@ jobs:
           - macos-latest
           - windows-latest
         node_version:
-          - 12
           - 14
-          - 16
+        include:
+          - node-version: 12
+            os: unbuntu-latest
+          - node-version: 16
+            os: ubuntu-latest
     name: Node ${{ matrix.node_version }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v1