Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
       GIT_USER_EMAIL: [email protected]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GH_TOKEN }}
           ref: ${{github.event.inputs.ref}}

.github/workflows/gradle.yml

@@ -28,7 +28,7 @@ jobs:
         env:
           DISPATCH_INFORMATION: ${{ github.event.inputs.message }}
         run: echo $DISPATCH_INFORMATION
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:

.github/workflows/release-notes.yml

@@ -11,7 +11,7 @@ jobs:
   release_notes:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check if it has release drafter config file
         id: check_release_drafter
         run: |

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       GIT_USER_EMAIL: [email protected]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GH_TOKEN }}
       - uses: gradle/wrapper-validation-action@v1