chore(deps): update actions/checkout action to v4 (#32)

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

Author: renovate[bot]

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-        - uses: actions/checkout@v3
+        - uses: actions/checkout@v4
         - uses: actions/setup-node@v2
           with:
             node-version: 18

.github/workflows/run-tests.yml

@@ -24,7 +24,7 @@ jobs:
     publish:
         runs-on: ubuntu-latest
         steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v4
         - uses: actions/setup-node@v2
           with:
             node-version: 18