update versions of used github actions (#30)

Author: jihuayu

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: npm ci
     - run: npm test
     - name: clang-format (diff)

.github/workflows/publish.yml

@@ -4,13 +4,13 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 12
       - run: npm ci
       - run: npm test
-      - uses: JS-DevTools/npm-publish@v1
+      - uses: JS-DevTools/npm-publish@v3
         with:
           token: ${{ secrets.NPM_TOKEN }}
           access: public