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] <[email protected]>

Author: dependabot[bot]

.github/workflows/containerized-ci.yml

@@ -41,7 +41,7 @@ jobs:
     #
     # Checks-out repository under $GITHUB_WORKSPACE
     #
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     # Set up conda environment
     - name: Setup conda environment
       uses: conda-incubator/[email protected]

.github/workflows/continuous_integration.yml

@@ -60,7 +60,7 @@ jobs:
     # Initial steps
     ###############################################################################
     # Checks-out repository under $GITHUB_WORKSPACE
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     # Set up conda environment
     - name: Setup conda environment
       uses: conda-incubator/[email protected]