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] <[email protected]>

.github/workflows/build_and_publish.yml

@@ -15,7 +15,7 @@ jobs:
         os: [ ubuntu-20.04, windows-2019, macos-11 ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -30,7 +30,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/ci.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
       - name: Install Python 3.8
@@ -31,7 +31,7 @@ jobs:
         OS: ['ubuntu-latest', 'windows-latest']
     steps:
       - name: Checkout branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
       - uses: conda-incubator/setup-miniconda@v2
@@ -67,7 +67,7 @@ jobs:
           - 1433:1433
     steps:
       - name: Checkout branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
       - name: Fetch full git history

.github/workflows/update_grammar.yml

@@ -14,7 +14,7 @@ jobs:
             shell: bash -el {0}
         steps:
             - name: Checkout branch
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
               with:
                 ref: ${{ github.head_ref }}
             - name: Set up Miniconda