⬆️ deps: Update actions/checkout action to v5 (#5)

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

Author: renovate[bot]

.github/workflows/deno-lint.yml

@@ -7,7 +7,7 @@ jobs:
     name: deno-lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: denoland/setup-deno@v2
         with:
           deno-version: v2.x

.github/workflows/deno-test.yml

@@ -7,7 +7,7 @@ jobs:
     name: deno-test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: denoland/setup-deno@v2
         with:
           deno-version: v2.x