Merge branch 'main' of github.com:ampproject/filesize into main

Author: kristoferbaxter

.github/workflows/format.yml

@@ -5,12 +5,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
     - name: Format

.github/workflows/unit-test.yml

@@ -9,9 +9,9 @@ jobs:
       matrix:
         node-version: [14.x]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
     - run: yarn install; yarn test