[ci]: Made various changes for the electron app:

- Support for multiple electron targe per platform.
 - Removed packager CLI. Changed the logic we calculate the app name.
 - Fixed various OS-specific tests: stubbed `os`.
 - Restructured the final ZIP formats for Windows and Linux.
 - Added packager tests.
 - Switched from `@grpc/grpc-js` to native `grpc`.
 - Updated the version from 0.0.5 to 0.0.6.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

arduino-ide-extension/src/node/config-service-impl.ts

@@ -1,6 +1,6 @@
 import * as path from 'path';
 import * as yaml from 'js-yaml';
-import * as grpc from '@grpc/grpc-js';
+import * as grpc from 'grpc';
 import * as deepmerge from 'deepmerge';
 import { injectable, inject, named } from 'inversify';
 import URI from '@theia/core/lib/common/uri';