Bump actions/checkout from 3 to 4 (#160)

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

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run markdownlint-cli
         uses: nosborn/github-action-markdown-cli@v3.3.0
         with:
@@ -32,7 +32,7 @@ jobs:
         java-version:
           - '11'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java-version }}
         uses: actions/setup-java@v3
         with:

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
           wait-interval: 10
           allowed-conclusions: success
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up JVM
         uses: actions/setup-java@v3
         with:

.github/workflows/release_testing.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up JVM
         uses: actions/setup-java@v3
         with:

.github/workflows/update-gradle-wrapper.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Update Gradle Wrapper
         uses: gradle-update/update-gradle-wrapper-action@v1
         with: