chore(deps): update actions/checkout action to v6 (#226)

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

Author: renovate[bot]

.github/workflows/size-limit.yml

@@ -9,7 +9,7 @@ jobs:
     env:
       CI_JOB_NUMBER: 1
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: andresz1/[email protected]
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: '14'