message: Fix release CI package file name problem
  The release CI was expected `csharp-<ver>-<plat>` but the code was creating `csharp.<ver>-<plat>`. This fixes it.
diff: @@ -35,7 +35,7 @@ export const offlinePackages = [
  export function getPackageName(packageJSON: any, vscodePlatformId: string) {
  const name = packageJSON.name;
  const version = packageJSON.version;
  - return `${name}.${version}-${vscodePlatformId}.vsix`;
  + return `${name}-${version}-${vscodePlatformId}.vsix`;
  }
  gulp.task('vsix:release:package:platform-specific', async () => {
  