chore(deps): update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/publish.yml

@@ -6,7 +6,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Setup .npmrc file to publish to npm
       - uses: actions/setup-node@v2-beta
         with:

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
         node: [ 14, 16 ]
     name: Lint on Node ${{ matrix.node }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v2-beta
         with:
           node-version: ${{ matrix.node }}