Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/lint.yml

@@ -10,15 +10,15 @@ jobs:
     name: Merge Conflict
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check merge conflict
         run: grep "^<<<<<<< HEAD" $(git ls-files | xargs) && exit 1 || true
   misspell:
     name: Check Spelling
     runs-on: ubuntu-latest
     steps:
       - name: Check out
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install
         run: |
           wget -O - -q https://git.io/misspell | sh -s -- -b .
@@ -29,6 +29,6 @@ jobs:
     name: Trailing whitespace
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check for trailing whitespace
         run: "! git grep -EIn $'[ \t]+$'"

.github/workflows/super-linter.yml

@@ -13,7 +13,7 @@ jobs:
     name: GitHub Super Linter
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: github/super-linter@v5
         env:
           ERROR_ON_MISSING_EXEC_BIT: true