Add Node.js 22 to CI version matrix (axios#6633)

* CI: add Node.js 22, drop non-LTS 21

* CI: update actions versions 3 -> 4

Previous actions version showed deprecation warnings when run. Update them to V4

.github/workflows/ci.yml

@@ -23,11 +23,11 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x, 18.x, 20.x, 21.x]
+        node-version: [12.x, 14.x, 16.x, 18.x, 20.x, 22.x]
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: true
       - name: Get changed files
@@ -50,7 +50,7 @@ jobs:
             templates/**
             bin/**
       - name: Setup node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
           cache: npm