GitHub Actions workflow for Deno

deno.yaml

name: Deno

on:
  - push
  - pull_request

jobs:
  deno:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: cache deno installation and deno.land dependencies
        uses: actions/cache@v2
        with:
          key: ${{ runner.os }}-deno-${{ hashFiles('**/*') }}
          restore-keys: ${{ runner.os }}-deno-
          path: |
            /home/runner/.deno
            /home/runner/.cache/deno/deps/https/deno.land

      - name: install or update deno installation
        run: |
          export DENO_INSTALL="/home/runner/.deno"
          export PATH="${DENO_INSTALL}/bin:${PATH}"
          mkdir -p "${DENO_INSTALL}"
          deno upgrade || (
            curl -fsSL https://deno.land/x/install/install.sh > "${DENO_INSTALL}/.sh";
            sh "${DENO_INSTALL}/.sh"
          )
          echo "DENO_INSTALL=${DENO_INSTALL}" >> $GITHUB_ENV
          echo "PATH=${PATH}" >> $GITHUB_ENV

      - name: fetch any uncached dependencies
        run: |
          deno cache --reload=file: ./mod.ts

      - run: |
          deno info ./mod.ts

      - run: |
          deno test --allow-none

      - name: check lint
        continue-on-error: true
        run: |
          deno --unstable lint

      - name: check formatting
        continue-on-error: true
        run: |
          deno fmt --check

      - name: check lock file
        continue-on-error: true
        run: |
        if [[ -f lock.json ]]; then
          deno cache --lock=lock.json --cached-only ./mod.ts
        fi
        deno cache --lock-write --lock=lock.json ./mod.ts
        cat lock.json

Could you please update config with setup-deno?