Bump actions/checkout from 3 to 4 (#17)

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>

.github/workflows/helics_version_update.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.action == 'helics-version-update'
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Update the HELICS_VERSION file to ${{ github.event.client_payload.version }}
       run: echo "${{ github.event.client_payload.version }}" > HELICS_VERSION
     - name: Commit updated HELICS_VERSION file

.github/workflows/pythonpackage.yml

@@ -39,7 +39,7 @@ jobs:
             arch: win64
             plat_name: win_amd64
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: git fetch --prune --unshallow
     - uses: actions/setup-python@v4
       with:
@@ -59,7 +59,7 @@ jobs:
   build-helics_apps-sdist:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: git fetch --prune --unshallow
     - name: Set up Python
       uses: actions/setup-python@v4

.github/workflows/update-helics.yml

@@ -15,7 +15,7 @@ jobs:
     outputs:
       ver: ${{ steps.hver.outputs.HELICS_VERSION }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Read HELICS_VERSION
       id: hver
       run: echo "HELICS_VERSION=$(cat HELICS_VERSION)" >> $GITHUB_OUTPUT

.github/workflows/update-mingw-package.yml

@@ -18,9 +18,9 @@ jobs:
     name: Update MINGW Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/MINGW-packages
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/MINGW-packages'
         token: ${{ secrets.HELICS_BOT_TOKEN }}

.github/workflows/update-spack-package.yml

@@ -18,9 +18,9 @@ jobs:
     name: Update Spack Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/spack
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/spack'
         token: ${{ secrets.HELICS_BOT_TOKEN }}

.github/workflows/update-yggdrasil-package.yml

@@ -18,9 +18,9 @@ jobs:
     name: Update Yggdrasil Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/Yggdrasil
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/Yggdrasil'
         token: ${{ secrets.HELICS_BOT_TOKEN }}