Bump actions/checkout from 3.0.2 to 4.2.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.0.2 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.0.2...v4.2.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         racket-variant: ["BC", "CS"]
         enable-contracts: [true, false]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4.2.0
       - uses: Bogdanp/setup-racket@v1.11
         with:
           architecture: x64

.github/workflows/resyntax-analyze.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v4.2.0
         # See https://github.com/actions/checkout/issues/118.
         with:
           fetch-depth: 0

.github/workflows/resyntax-autofixer.yml

@@ -26,7 +26,7 @@ jobs:
         env:
           GH_TOKEN: ${{ steps.generate-token.outputs.token }}
       - name: Checkout code
-        uses: actions/checkout@v3.0.2
+        uses: actions/checkout@v4.2.0
         # See https://github.com/actions/checkout/issues/118.
         with:
           fetch-depth: 0

.github/workflows/resyntax-submit-review.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v4.2.0
       - name: Download Resyntax analysis
         # This uses a github script instead of the download-artifact action because
         # that action doesn't work for artifacts uploaded by other workflows. See