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/pypi.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repo
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
 
       - name: Set up python
         uses: actions/[email protected]

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
   style:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: astral-sh/setup-uv@v5
         with:
@@ -37,7 +37,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12"]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: astral-sh/setup-uv@v5
@@ -63,7 +63,7 @@ jobs:
   test_logits_match:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: astral-sh/setup-uv@v5
       with:
@@ -78,7 +78,7 @@ jobs:
   test_torch_compile:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: astral-sh/setup-uv@v5
       with:
@@ -93,7 +93,7 @@ jobs:
   test_torch_export:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: astral-sh/setup-uv@v5
       with:
@@ -108,7 +108,7 @@ jobs:
   test_torch_script:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: astral-sh/setup-uv@v5
       with:
@@ -123,7 +123,7 @@ jobs:
   minimum:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: astral-sh/setup-uv@v5
       with: