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] <support@github.com>

.github/workflows/CI.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: "12"

.github/workflows/UpdateCodeowners.yml

@@ -19,7 +19,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
             fetch-depth: 0
 

.github/workflows/ghostbuster.yml

@@ -23,7 +23,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/lint-md.yml

@@ -10,6 +10,6 @@ jobs:
   lint-md:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: npm install
       - run: npx remark --use validate-links --frail . .github

.github/workflows/support-window.yml

@@ -20,7 +20,7 @@ jobs:
     if: github.repository == 'DefinitelyTyped/DefinitelyTyped'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         #with:
         #  cache: npm