Remove node 16 support, bump github build tests to node 21

.github/workflows/build.yml

@@ -12,9 +12,7 @@ jobs:
     strategy:
       matrix:
         include:
-          # EOL: April 2024
-          - os: ubuntu-latest
-            node_version: 16.x
+          # EOL: April 2025
           - os: macOS-latest
             node_version: 18.x
           - os: windows-latest
@@ -25,6 +23,9 @@ jobs:
           # EOL: April 2026
           - os: ubuntu-latest
             node_version: 20.x
+          # EOL: April/June 2024
+          - os: ubuntu-latest
+            node_version: 21.x
 
     runs-on: ${{ matrix.os }}
 

package.json

@@ -41,7 +41,7 @@
   ],
   "license": "MIT",
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=18.0.0"
   },
   "files": [
     "./.thelounge_home",