Update deprecated actions and images in CI (#1815)

* update action versions

* use more multi cpu in testing

* fix uploading and downloading artifacts

* more fixes to download artifacts

* upgrade `macos` to 13

* remove `xdist`

* better artifact names

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         backend: [mkl, dnnl]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -82,7 +82,7 @@ jobs:
         backend: [openblas]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -137,11 +137,11 @@ jobs:
         include:
         - os: ubuntu-20.04
           arch: aarch64
-        - os: macos-12
+        - os: macos-13
           arch: arm64
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -150,7 +150,7 @@ jobs:
         name: Set up QEMU
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.5
+        uses: pypa/cibuildwheel@v2.21.3
         with:
           package-dir: python
           output-dir: python/wheelhouse
@@ -168,9 +168,9 @@ jobs:
           CIBW_SKIP: pp* *-musllinux_*
 
       - name: Upload Python wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: python-wheels
+          name: python-wheels-${{ runner.os }}-${{ matrix.arch }}
           path: python/wheelhouse
 
 
@@ -185,21 +185,23 @@ jobs:
 
     steps:
       - name: Set up Python 3.8
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.8
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Prepare test environment
         shell: bash
         run: |
           ./python/tools/prepare_test_environment.sh
 
       - name: Download Python wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: python-wheels
+          pattern: python-wheels-${{ runner.os }}-*
+          merge-multiple: true
+          path: .
 
       - name: Install wheel
         if: startsWith(matrix.os, 'ubuntu')
@@ -222,10 +224,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.8
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.8
 
@@ -257,9 +259,11 @@ jobs:
 
     steps:
       - name: Download Python wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: python-wheels
+          pattern: python-wheels-*
+          merge-multiple: true
+          path: .
 
       - name: Publish Python wheels to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
@@ -272,7 +276,7 @@ jobs:
   build-and-push-docker-images:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -299,17 +303,19 @@ jobs:
     needs: [check-python-style, build-python-wheels]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.8
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: 3.8
 
       - name: Download CTranslate2 wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: python-wheels
+          pattern: python-wheels-${{ runner.os }}-*
+          merge-multiple: true
+          path: .
 
       - name: Install CTranslate2 wheel
         run: |