Update github actions to node 20

leaves the test to run in lts versions 16, 18 and 20

.github/workflows/codeql-analysis.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         language: ['javascript']
-        node-version: [15.x]
+        node-version: [20.x]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2

.github/workflows/doc.yaml

@@ -10,7 +10,7 @@ jobs:
       - name: Use Node.js 15.x
         uses: actions/setup-node@v1
         with:
-          node-version: '15.x'
+          node-version: '20.x'
       - name: Install package
         run: yarn install
       - name: Build package

.github/workflows/linting.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [15.x]
+        node-version: [20.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}

.github/workflows/npm_release.yaml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: '15.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
       - name: Install package
         run: yarn install

.github/workflows/test.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: ['12.x', '14.x', '16.x', '18.x', '20.x']
+        node-version: ['16.x', '18.x', '20.x']
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}