ci: update actions to v3 (#1111)

Author: timdeschryver

.github/workflows/validate.yml

@@ -18,21 +18,20 @@ jobs:
  # Otherwise we would not know if the problem is tied to the Node.js version
  fail-fast: false
  matrix:
- # TODO: relax `'16.9.1'` to `16` once GitHub has 16.9.1 cached. 16.9.0 is broken due to https://github.com/nodejs/node/issues/40030
- node: [12, 14, '16.9.1']
+ node: [12, 14, 16]
  runs-on: ubuntu-latest
  steps:
  - name: 🛑 Cancel Previous Runs
  uses: styfle/cancel-workflow-action@0.9.0
 
  - name: ⬇️ Checkout repo
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
  with:
  # required by codecov/codecov-action
  fetch-depth: 0
 
  - name: ⎔ Setup node
- uses: actions/setup-node@v2
+ uses: actions/setup-node@v3
  with:
  node-version: ${{ matrix.node }}
 
@@ -66,10 +65,10 @@ jobs:
  uses: styfle/cancel-workflow-action@0.9.0
 
  - name: ⬇️ Checkout repo
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
 
  - name: ⎔ Setup node
- uses: actions/setup-node@v2
+ uses: actions/setup-node@v3
  with:
  node-version: 14