Added Node 20 and 22 to CI test matrix

All current LTS versions are now tested. Prebuilt binaries are still
only uploaded from Node 24 builds.

Author: jonatansberg

.github/workflows/ci.yml

@@ -27,8 +27,18 @@ jobs:
         target:
           - x64
         node:
+          - 20
+          - 22
           - 24
         include:
+          - os: macos-latest
+            node: 20
+            host: arm64
+            target: arm64
+          - os: macos-latest
+            node: 22
+            host: arm64
+            target: arm64
           - os: macos-latest
             node: 24
             host: arm64