fix(test): updated test matrix (18, 20, 21)

Author: andris9

.github/workflows/test.yml

@@ -8,8 +8,8 @@ jobs:
     test:
         strategy:
             matrix:
-                node: [18.x, 20.x]
-                os: [ubuntu-latest, macos-latest]
+                node: [18.x, 20.x, 21.x]
+                os: [ubuntu-latest]
         runs-on: ${{ matrix.os }}
         steps:
             - uses: actions/checkout@v3