Bump actions/checkout from 3 to 4 (#2365)

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>

Author: dependabot[bot]

.github/workflows/build_docs_gallery.yml

@@ -27,7 +27,7 @@ jobs:
     steps:
     - name: Trust My Directory
       run: git config --global --add safe.directory /__w/MSS/MSS
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Create gallery
       timeout-minutes: 25

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.8
       uses: actions/setup-python@v5
       with:

.github/workflows/testing.yml

@@ -35,7 +35,7 @@ jobs:
     - name: Trust My Directory
       run: git config --global --add safe.directory /__w/MSS/MSS
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Check for changed dependencies
       run: |