Update github action workflow.

Author: mattcollier

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
@@ -24,13 +24,13 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x]
     steps:
     - uses: actions/checkout@v3
-    - name: Install with Node.js 18.x
+    - name: Install with Node.js 20.x
       uses: actions/setup-node@v3
       with:
-        node-version: 18.x
+        node-version: 20.x
     - run: npm install
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
@@ -46,7 +46,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
@@ -62,7 +62,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x]
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}