chore(deps): update actions/checkout action to v4 (#86)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci-github.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       # Setup .npmrc file to publish to GitHub Packages
       - uses: actions/setup-node@v4
         with:

.github/workflows/publish-github.yml

@@ -7,7 +7,7 @@ jobs:
   publish-npm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: "20.x"