Add Node 26 to CI

Author: zachleat

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        node: ["18", "20", "22", "24"]
+        node: ["18", "20", "22", "24", "26"]
     name: Node.js ${{ matrix.node }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # 7.0.0