Bump actions/checkout from 3 to 4 (#83)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -12,5 +12,5 @@ jobs:
   run-pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: pipx run pre-commit run --all-files

.github/workflows/update-dependencies.yml

@@ -16,7 +16,7 @@ jobs:
             commit-msg: Update .pre-commit-config.yaml
             branch: update/pre-commit-config
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: ${{ matrix.cmd }}
       - uses: peter-evans/create-pull-request@v5
         with: