Bump actions/checkout from 5 to 6 in the actions-on-branch-3-9 group

Bumps the actions-on-branch-3-9 group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions-on-branch-3-9
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/create-release-notes.yaml

@@ -27,7 +27,7 @@ jobs:
             8
 
       - name: Checkout release note scripts
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: scalar-labs/actions
           token: ${{ secrets.GH_PROJECT_ACCESS_TOKEN }}
@@ -60,7 +60,7 @@ jobs:
           prerelease: false
 
       - name: Checkout the current repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v5

.github/workflows/release-snapshot.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK 1.8
         uses: actions/setup-java@v5

.github/workflows/release.yaml

@@ -21,7 +21,7 @@ jobs:
           VERSION=$(echo ${{ github.ref }} | sed -e "s#refs/tags/v##g")
           echo "version=${VERSION}" >> $GITHUB_OUTPUT
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK 1.8
         uses: actions/setup-java@v5

.github/workflows/scalar.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up JDK 1.8
       uses: actions/setup-java@v5
@@ -64,7 +64,7 @@ jobs:
           - 3306:3306
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK 1.8
         uses: actions/setup-java@v5
@@ -100,7 +100,7 @@ jobs:
           - 3306:3306
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK 1.8
         uses: actions/setup-java@v5
@@ -127,7 +127,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK 1.8
         uses: actions/setup-java@v5

.github/workflows/storage-compatibility-check.yaml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout the target repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.target-ref }}
 
@@ -56,7 +56,7 @@ jobs:
 
     steps:
       - name: Checkout the target repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.target-ref }}
 
@@ -123,7 +123,7 @@ jobs:
 
     steps:
       - name: Checkout the target repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.target-ref }}