Stop building and testing against Node v16 (runtime EOL) (WiseLibs#…

…1061)

* Stop building and testing against Node `v16` (runtime EOL)

This also removes building for Electron versions that carries Node `v16`.

* Revert electron builds

.github/workflows/build.yml

@@ -13,7 +13,7 @@ on:
   workflow_dispatch: {}
 
 env:
-  NODE_BUILD_CMD: npx --no-install prebuild -r node -t 16.0.0 -t 18.0.0 -t 20.0.0 --include-regex 'better_sqlite3.node$'
+  NODE_BUILD_CMD: npx --no-install prebuild -r node -t 18.0.0 -t 20.0.0 --include-regex 'better_sqlite3.node$'
   ELECTRON_BUILD_CMD: npx --no-install prebuild -r electron -t 16.0.0 -t 17.0.0 -t 18.0.0 -t 19.0.0 -t 20.0.0 -t 21.0.0 -t 22.0.0 -t 23.0.0 -t 24.0.0 -t 25.0.0 -t 26.0.0 -t 27.0.0 --include-regex 'better_sqlite3.node$'
 
 jobs:
@@ -25,7 +25,6 @@ jobs:
           - macos-latest
           - windows-2019
         node:
-          - 16
           - 18
           - 20
     name: Testing Node ${{ matrix.node }} on ${{ matrix.os }}