Bump actions/checkout from 2.7.0 to 6.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.7.0 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v2.7.0...v6.0.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/external-message.yml

@@ -21,7 +21,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6.0.2
 
       - name: Delete old comments
         env:

.github/workflows/integration-tests.yml

@@ -41,7 +41,7 @@ jobs:
     environment: "test-trigger-is"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6.0.2
 
       - name: Generate GitHub App Token for Workflow Trigger
         id: generate-token

.github/workflows/next-changelog.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Fetch list of changed files
         id: changed-files

.github/workflows/push.yml

@@ -16,7 +16,7 @@ jobs:
           java-version: 11
 
       - name: Checkout
-        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Cache Maven packages
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
@@ -44,7 +44,7 @@ jobs:
           java-version: ${{ matrix.java-version }}
 
       - name: Checkout
-        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Cache Maven packages
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Java for publishing to Maven Central Repository
         uses: actions/setup-java@17f84c3641ba7b8f6deff6309fc4c864478f5d62 # v3.14.1