chore(deps): Update actions/checkout action to v4 (#22)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: cq-bot

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
     name: Publish to npm
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: "16"

.github/workflows/regen.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           cache: "npm"