chore: support Node 15 (#97)

Author: ehmicky

.github/workflows/workflow.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        node-version: [14.x]
+        node-version: [15.x]
       fail-fast: false
     steps:
       - name: Git checkout
@@ -26,7 +26,7 @@ jobs:
         run: npm ci
       - name: Linting
         run: npm run format:ci
-        if: "${{ matrix.node-version == '14.x' }}"
+        if: "${{ matrix.node-version == '15.x' }}"
       - name: Tests
         run: npm run test:ci
       - name: Get test coverage flags

package.json

@@ -104,6 +104,6 @@
     "nyc": "^15.1.0"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=15.0.0"
   }
 }