Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -41,13 +41,13 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Checkout code (PR)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         if: github.event_name == 'pull_request'
         with:
           ref: ${{ github.event.pull_request.head.ref }}
 
       - name: Checkout code (Main)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         if: github.event_name != 'pull_request'
 
 #      # can be deleted after https://github.com/hapifhir/org.hl7.fhir.core/pull/1990 is merged (adding json5 support)

.github/workflows/release.yml

@@ -9,19 +9,19 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: 'de.basisprofil.terminology'
 
       - name: Checkout Package Registry
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: 'hl7germany/hl7-de-package-feed'
           path: 'hl7-de-package-feed'
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN_PUBLIC_REPO }}
 
       - name: Checkout Update Package Registry Script
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: 'alexzautke/update-fhir-package-feed'
           path: 'update-fhir-package-feed'