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/cygwin.yml

@@ -17,7 +17,7 @@ jobs:
         shell: C:\cygwin\bin\bash.exe --noprofile --norc -o igncr -eo pipefail '{0}'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Cygwin
         uses: cygwin/cygwin-install-action@v6

.github/workflows/github_actions_build.yml

@@ -250,7 +250,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: auto-merge
         if: |
           github.actor == 'dependabot[bot]' &&

.github/workflows/mingw.yml

@@ -15,7 +15,7 @@ jobs:
     env:
       BUILD_PATH: build_space
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: set up python
         uses: actions/setup-python@v5

.github/workflows/python-tests.yml

@@ -29,18 +29,18 @@ jobs:
         uname -a
 
     - name: Check out ApprovalTests.cpp
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         path: ApprovalTests/ApprovalTests.cpp
 
     - name: Check out ApprovalTests.cpp.StarterProject
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         repository: approvals/ApprovalTests.cpp.StarterProject
         path: ApprovalTests/ApprovalTests.cpp.StarterProject
 
     - name: Check out claremacrae fork of conan-center-index
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         repository: claremacrae/conan-center-index
         path: conan/conan-center-index-claremacrae
@@ -51,7 +51,7 @@ jobs:
         git remote add upstream https://github.com/conan-io/conan-center-index.git
    
     - name: Check out llewellyn's fork of vcpkg
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         repository: isidore/vcpkg
         path: ApprovalTests/vcpkg