Bump actions/checkout from 3 to 4 (#38)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  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/release.yaml

@@ -12,7 +12,7 @@ jobs:
       packages: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Publish Features"
         uses: devcontainers/action@v1

.github/workflows/test-all.yaml

@@ -22,7 +22,7 @@ jobs:
           - mcr.microsoft.com/devcontainers/base:debian
           - mcr.microsoft.com/cbl-mariner/base/core:2.0
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli

.github/workflows/test-pr.yaml

@@ -34,7 +34,7 @@ jobs:
             "mcr.microsoft.com/cbl-mariner/base/core:2.0",
           ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -50,7 +50,7 @@ jobs:
       matrix:
         features: ${{ fromJSON(needs.detect-changes.outputs.features) }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli