Refactor CI workflow, add publish workflow

.github/workflows/ci.yml

@@ -1,11 +1,14 @@
 name: CI
 
-on: push
+on:
+  pull_request:
+  workflow_call:
+  workflow_dispatch:
 
 jobs:
   lint:
     name: Lint files
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
@@ -16,12 +19,15 @@ jobs:
       - run: npm run lint
   test:
     name: Test files
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: [18, 20]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version-file: ".nvmrc"
+          node-version: ${{ matrix.version }}
           cache: npm
       - run: npm ci
       - run: npm test

.github/workflows/publish.yml

@@ -0,0 +1,50 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  ci:
+    name: CI
+    uses: ./.github/workflows/ci.yml
+  publish-to-npm:
+    name: Publish to npm
+    permissions:
+      contents: read
+      id-token: write
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: npm
+          registry-url: https://registry.npmjs.org
+      - run: npm ci
+      - run: npm publish --provenance
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+  publish-to-github-packages:
+    name: Publish to GitHub Packages
+    permissions:
+      contents: read
+      packages: write
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Change package scope
+        run: |
+          sed -i -E "s/@.+(\/stylelint-config)/@${{ github.repository_owner }}\1/" package.json
+          cat package.json
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: npm
+          registry-url: https://npm.pkg.github.com
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}