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/ci-cogent3-dev.yml

@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'HuttleyLab/MutationMotif'
 
     steps:
-      - uses: "actions/checkout@v4"
+      - uses: "actions/checkout@v5"
         with:
           fetch-depth: 0
 

.github/workflows/linters.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'HuttleyLab/MutationMotif'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: "actions/checkout@v4"
+      - uses: "actions/checkout@v5"
         with:
           fetch-depth: 0
 
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/testing_develop.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.10", "3.13"]
 
     steps:
-      - uses: "actions/checkout@v4"
+      - uses: "actions/checkout@v5"
         with:
           fetch-depth: 0