Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
       pull-requests: write
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: "Publish Features"
         uses: devcontainers/action@v1

.github/workflows/test.yaml

@@ -18,7 +18,7 @@ jobs:
     steps:
       # For pull requests it's not necessary to checkout the code
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - uses: actions/setup-python@v5
         with:
@@ -68,7 +68,7 @@ jobs:
           - ubuntu:latest
           - mcr.microsoft.com/devcontainers/base:ubuntu
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -85,7 +85,7 @@ jobs:
       matrix:
         features: ${{ fromJson(needs.detect-changes.outputs.changes) }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli
@@ -97,7 +97,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli

.github/workflows/validate.yml

@@ -7,7 +7,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: "Validate devcontainer-feature.json files"
         uses: devcontainers/action@v1