chore(ci): Bump actions/checkout from 3 to 4 (#310)

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>

.github/workflows/docs.yaml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 

.github/workflows/python-bindings.yml

@@ -17,7 +17,7 @@ jobs:
     name: Format, Lint and Test the Python bindings
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - run: |

.github/workflows/rust-compile.yml

@@ -21,7 +21,7 @@ jobs:
     name: Check intra-doc links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions-rust-lang/setup-rust-toolchain@v1
@@ -34,7 +34,7 @@ jobs:
     name: Format and Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions-rust-lang/setup-rust-toolchain@v1
@@ -75,7 +75,7 @@ jobs:
           # - { name: "Windows-aarch64",   target: aarch64-pc-windows-msvc,          os: windows-latest,                  skip-tests: true }
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
           lfs: ${{ !matrix.skip-tests }}