Bump actions/checkout from 5.0.0 to 6.0.1 (#161)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5.0.0...v6.0.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.1
  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/acceptance-testing-bats.yml

@@ -14,7 +14,7 @@ jobs:
         go: ['1.21']
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
         with:
           fetch-depth: 0
           submodules: recursive

.github/workflows/acceptance-testing-e2e.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out slimtoolkit/slim repo
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
 
       - name: Set up Go development environment
         uses: actions/setup-go@v6.1.0
@@ -64,7 +64,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out slimtoolkit/slim repo
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
 
       - name: Set up Go development environment
         uses: actions/setup-go@v6.1.0
@@ -116,10 +116,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out slimtoolkit/slim repo
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
 
       - name: Check out slimtoolkit/examples repo
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
         with:
           repository: slimtoolkit/examples
           path: e2e

.github/workflows/unit-testing.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out slimtoolkit/slim repo
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@v6.0.1
 
       - name: Set up Go development environment
         uses: actions/setup-go@v6.1.0