rg mdxish ci check

.github/workflows/ci.yml

@@ -7,10 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version:
-          - lts/-1
-          - lts/*
-          - latest
+        node-version: [22.x]
         react: [18]
     steps:
       - uses: actions/checkout@v6
@@ -23,10 +20,6 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      - name: Install React <18 deps
-        if: matrix.react == '16' || matrix.react == '17'
-        run: npm i react@${{ matrix.react }} react-dom@${{ matrix.react }} @testing-library/react@12
-
       - name: Run tests
         run: npm test
 
@@ -38,7 +31,6 @@ jobs:
       matrix:
         node-version: [22.x]
         react: [18]
-
     steps:
       - uses: actions/checkout@v6