chore(deps): bump actions/checkout from 3 to 4

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>

.github/workflows/awkward-main.yml

@@ -20,7 +20,7 @@ jobs:
       PYTHON: "3.10"
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/conda-tests.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{matrix.platform}}
     steps:
     - name: Checkout source
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Conda Environment
       uses: conda-incubator/setup-miniconda@v2
       with:

.github/workflows/coverage.yml

@@ -20,7 +20,7 @@ jobs:
       PYTHON: "3.10"
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/pypi-release.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
 

.github/workflows/pypi-tests.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ${{matrix.platform}}
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: setup Python ${{matrix.python-version}}
       uses: actions/setup-python@v4
       with:

.github/workflows/uproot-main.yml

@@ -20,7 +20,7 @@ jobs:
       PYTHON: "3.10"
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Setup Python