update electron to v43

electron/node_modules/node-abi/getNextTarget.js

@@ -0,0 +1,17 @@
+import semver from 'semver';
+
+export function getNextTarget(runtime, targets) {
+  const latest = targets
+    .filter((t) => {
+      return t.runtime === runtime;
+    })
+    .slice(-1)[0];
+  const increment = runtime === 'electron' ? 'minor' : 'major';
+  let next = semver.inc(latest.target, increment);
+  // Electron releases appear in the registry in their beta form, sometimes there is
+  // no active beta line.  During this time we need to double bump
+  if (runtime === 'electron' && semver.parse(latest.target).prerelease.length) {
+    next = semver.inc(next, 'major');
+  }
+  return next;
+}