ci: update actions (#4464)

* ci: update actions

* ci: update actions

* ci: update actions

* ci: use py3.9 for docs

.github/workflows/docs.yml

@@ -1,4 +1,4 @@
-name: Docs
+name: Documentation
 
 on: [push, pull_request]
 
@@ -7,13 +7,13 @@ jobs:
     name: Build Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: "recursive"
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.7
+          python-version: 3.9
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -40,7 +40,7 @@ jobs:
 
       - name: Save artifact
         if: ${{ github.event_name == 'push' }}
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: docs
           path: ./docs.tar.gz
@@ -57,7 +57,7 @@ jobs:
     if: ${{ github.event_name == 'push' }}
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: docs
       - name: Unpack artifact
@@ -78,7 +78,7 @@ jobs:
           fi
       - name: Checkout latest Docs
         continue-on-error: true
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: ${{ env.DOCS_REPO }}
           path: ${{ env.DOCS_DIR }}

.github/workflows/examples.yml

@@ -20,7 +20,7 @@ jobs:
           submodules: "recursive"
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: "3.9"
 

.github/workflows/projects.yml

@@ -45,7 +45,7 @@ jobs:
           submodules: "recursive"
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: 3.9
 
@@ -53,7 +53,7 @@ jobs:
         run: pip install -U .
 
       - name: Check out ${{ matrix.project.repository }}
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           submodules: "recursive"
           repository: ${{ matrix.project.repository }}