Update actions and target version list

Author: amyreese

.github/workflows/build.yml

@@ -8,12 +8,12 @@ on:
   pull_request:
 
 jobs:
-  aiosqlite:
+  test:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
+        python-version: ["3.7", "3.8"]
         os: [macOS-latest, ubuntu-latest, windows-latest]
 
     steps:
@@ -30,6 +30,15 @@ jobs:
           pip install -U .
       - name: Test
         run: make test
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Set Up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: "3.8"
       - name: Lint
-        run: make lint
-        if: ${{ matrix.python-version != 2.7 && matrix.python-version != 3.5 }}
+        run: make lint