Bump actions/checkout from 5 to 6

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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
   linting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -31,7 +31,7 @@ jobs:
       run: docker network create ganache
     - name: Setup and run ganache
       run: docker run --detach --publish 8545:8545 --network ganache -e DOCKER=true trufflesuite/ganache:latest --defaultBalanceEther 10000 --gasLimit 10000000 -a 30 --chain.chainId 1337 --chain.networkId 1337 -d
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
@@ -69,7 +69,7 @@ jobs:
     needs: test-app
     if: github.event_name == 'release' && github.event.action == 'released'
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
@@ -91,7 +91,7 @@ jobs:
     needs: test-app
     if: github.event_name == 'release' && github.event.action == 'released'
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: docker/setup-qemu-action@v3
       with:
         platforms: arm64