Update versions in GitHub Actions workflows

Author: lydell

.github/workflows/check.yml

@@ -12,12 +12,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [15.x]
+        node-version: [16.x]
 
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: "${{ matrix.node-version }}"
 

.github/workflows/test.yml

@@ -12,12 +12,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 15.x]
+        node-version: [12.x, 14.x, 16.x]
 
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: "${{ matrix.node-version }}"