Python 3.8 in CIs

.github/workflows/build.yml

@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v1
-      - name: Set up Python 3.7
+      - name: Set up Python 3.8
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
 
       - name: Install dependencies
         run: |
@@ -40,7 +40,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2019, ubuntu-20.04, macos-11]
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10"]
 
     steps:
       - uses: actions/checkout@v1
@@ -50,7 +50,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Download artifact
-        uses: actions/download-artifact@master
+        uses: actions/download-artifact@v3
         with:
           name: "Python wheel"
 

.github/workflows/release.yml

@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v1
-      - name: Set up Python 3.7
+      - name: Set up Python 3.8
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
 
       - name: Install dependencies
         run: |