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/cmake-multi-platform.yaml

@@ -42,7 +42,7 @@ jobs:
           echo "GOTMDIR=$GOTMDIR" >> $GITHUB_ENV
 
       - name: Checkout OxyPOM repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set reusable strings
         # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.

.github/workflows/fabm.yaml

@@ -21,7 +21,7 @@ jobs:
       packages: write
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Log in to GitHub Container Registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin

.github/workflows/gotm.yaml

@@ -21,14 +21,14 @@ jobs:
           sudo apt-get update
           sudo apt-get install gfortran-${{ matrix.version }}
       - name: Clone gotm (including fabm)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: gotm-model/code
           path: gotm
           submodules: recursive
 
       - name: Clone fabm-oxypom
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: fabm-oxypom
 
@@ -49,7 +49,7 @@ jobs:
         with:
           auto-update-conda: true
       - name: Clone gotm
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: recursive
           repository: gotm-model/code