chore(deps): bump actions/checkout from 1 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 1 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v1...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

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -45,7 +45,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1

.github/workflows/doc.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Configure git
         run: |
           git submodule init

.github/workflows/pr-gate-ci.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -82,6 +82,6 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Merge
         run: gh pr merge "${GITHUB_HEAD_REF}" --merge --auto

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1

.github/workflows/snapshot-release.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1