Drop support for Node.js 10 (#11830)

.github/workflows/prod-test.yml

@@ -92,7 +92,6 @@ jobs:
           - "16.10.0"
           - "14"
           - "12"
-          - "10"
         include:
           - os: "ubuntu-latest"
             node: "16.10.0"
@@ -100,12 +99,8 @@ jobs:
         exclude:
           - os: "macos-latest"
             node: "14"
-          - os: "macos-latest"
-            node: "12"
           - os: "windows-latest"
             node: "14"
-          - os: "windows-latest"
-            node: "12"
     env:
       FULL_TEST: ${{ matrix.FULL_TEST }}
     name: Node.js ${{ matrix.node }} on ${{ matrix.os }}
@@ -121,10 +116,6 @@ jobs:
           node-version: ${{ matrix.node }}
           cache: "yarn"
 
-      - name: Config `ignore-engines=true` (Node.js 10)
-        if: ${{ matrix.node == '10' }}
-        run: yarn config set ignore-engines true
-
       - name: Install Dependencies
         run: yarn install --frozen-lockfile