chore(deps): bump actions/checkout from 5 to 6 (#1023)

Bumps [actions/checkout](https://github.com/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
...

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

Author: dependabot[bot]

.github/workflows/build-cache.yml

@@ -10,7 +10,7 @@ jobs:
       run:
         working-directory: ${{ github.workspace }}/app
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: generator-jhipster-nodejs
       - uses: jhipster/actions/setup-runner@v1

.github/workflows/copyright-update.yml

@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 40
     steps:
       # Checkout
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: main
           fetch-depth: 0

.github/workflows/generator.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22

.github/workflows/test-integration-angular.yml

@@ -21,7 +21,7 @@ jobs:
     outputs:
       matrix: ${{ steps.build.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix: ${{fromJson(needs.build-matrix.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: generator-jhipster-nodejs
           fetch-depth: 2

.github/workflows/test-integration-microservice.yml

@@ -21,7 +21,7 @@ jobs:
     outputs:
       matrix: ${{ steps.build.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix: ${{fromJson(needs.build-matrix.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: generator-jhipster-nodejs
           fetch-depth: 2

.github/workflows/test-integration-react.yml

@@ -21,7 +21,7 @@ jobs:
     outputs:
       matrix: ${{ steps.build.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix: ${{fromJson(needs.build-matrix.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: generator-jhipster-nodejs
           fetch-depth: 2

.github/workflows/test-integration-vue.yml

@@ -21,7 +21,7 @@ jobs:
     outputs:
       matrix: ${{ steps.build.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix: ${{fromJson(needs.build-matrix.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           path: generator-jhipster-nodejs
           fetch-depth: 2