build: upgade node to 14 (#997)

.ci/global_setup.sh

@@ -71,8 +71,7 @@ export PATH="$nodeBin:$PATH"
 ###
 ### downloading yarn
 ###
-yarnVersion="$(node -e "console.log(String(require('./package.json').engines.yarn || '').replace(/^[^\d]+/,''))")"
-npm install -g yarn@^${yarnVersion}
+npm install -g yarn
 
 ###
 ### setup yarn offline cache

.github/workflows/api_extractor_check.yaml

@@ -11,7 +11,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '10.x'
+          node-version: '14.x'
       - name: Install dependencies
         run: yarn --frozen-lockfile
       - name: Run API-Extractor

.github/workflows/auto_release.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '10.x'
+          node-version: '14.x'
       - uses: bahmutov/npm-install@HEAD
       - name: Build check
         run: yarn build

.github/workflows/lint.yaml

@@ -11,7 +11,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '10.x'
+          node-version: '14.x'
       - uses: bahmutov/npm-install@HEAD
       - name: Build check
         run: yarn build

.github/workflows/unit_test.yaml

@@ -11,7 +11,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '10.x'
+          node-version: '14.x'
       - uses: bahmutov/npm-install@HEAD
       - name: TimeZone testing
         run: yarn test:tz --ci

.nvmrc

@@ -1 +1 @@
-10.23.1
+14.15.4

package.json

@@ -218,10 +218,6 @@
     "conventional-changelog-conventionalcommits": "^4.3.0",
     "refractor": "~3.1.0"
   },
-  "engines": {
-    "node": ">=10.23",
-    "yarn": "^1.10.1"
-  },
   "browserslist": [
     "last 2 versions",
     "ie 11"