Bump actions/checkout from 2 to 4 (#394)

.github/workflows/ci-docker.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out the repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Log in to Docker Hub
       uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9

.github/workflows/machines.yml

@@ -15,5 +15,5 @@ jobs:
           - ssh
           - ssh_rsync
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: ./ci/${{ matrix.machine }}.sh

.github/workflows/publish_conda.yml

@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: publish-to-conda
       uses: felix5572/conda-publish-action@v1.9
       with:

.github/workflows/pyright.yml

@@ -7,7 +7,7 @@ jobs:
     name: pyright
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
         # IMPORTANT: this permission is mandatory for trusted publishing
         id-token: write
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup python
       uses: actions/setup-python@v4
       with:

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with: