chore: drop Node.js 20 support

BREAKING CHANGE: drop Node.js 20 support

Signed-off-by: dhmlau <dhmlau@ca.ibm.com>

Author: dhmlau

.github/workflows/continuous-integration.yml

@@ -19,15 +19,14 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         node-version:
-          - 16
-          - 18
-          - 20
-          - 21
+          - 22
+          - 24
+          - 26
         include:
           - os: macos-latest
-            node-version: 20 # LTS
+            node-version: 22 # LTS
           - os: windows-latest
-            node-version: 20 # LTS
+            node-version: 22 # LTS
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
@@ -74,7 +73,7 @@ jobs:
       - name: Use Node.js 20
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20.20.2
+          node-version: 22
           cache: 'npm'
       - name: Bootstrap project
         run: |
@@ -103,7 +102,7 @@ jobs:
       - name: Use Node.js 20
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20.20.2
+          node-version: 22
           cache: npm
       - name: Bootstrap project
         run: |
@@ -138,7 +137,7 @@ jobs:
       - name: Use Node.js 20
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20.20.2
+          node-version: 22
           cache: npm
       - name: Bootstrap project
         run: |

package.json

@@ -4,7 +4,7 @@
   "license": "MIT",
   "version": "5.0.31",
   "engines": {
-    "node": ">=16"
+    "node": ">=22"
   },
   "repository": {
     "type": "git",