fix(ng-dev): limit the amount of CPUs used by workers (#436)

Some environments, like CircleCI which use Docker report a number of CPUs by the host and not the count of available.

This causes the task to be killed when formatting a large number of files due lack of resources.

https://app.circleci.com/pipelines/github/angular/angular-cli/20921/workflows/1f32e2ff-e726-41bc-a47c-9926f8b02f1d/jobs/290488

PR Close #436

ng-dev/format/run-commands-parallel.ts

@@ -15,7 +15,10 @@ import {info} from '../utils/console';
 
 import {Formatter, FormatterAction, getActiveFormatters} from './formatters/index';
 
-const AVAILABLE_THREADS = Math.max(cpus().length - 1, 1);
+// Some environments, like CircleCI which use Docker report a number of CPUs by the host and not the count of available.
+// This causes the task to be killed when formatting a large number of files due lack of resources.
+// https://github.com/nodejs/node/issues/28762
+const AVAILABLE_THREADS = Math.max(Math.min(cpus().length, 8) - 1, 1);
 
 /** Interface describing a failure occurred during formatting of a file. */
 export interface FormatFailure {

tools/local-actions/changelog/main.js

@@ -48561,7 +48561,7 @@ var require_run_commands_parallel = __commonJS({
     var child_process_1 = require_child_process();
     var console_1 = require_console();
     var index_1 = require_formatters();
-    var AVAILABLE_THREADS = Math.max((0, os_1.cpus)().length - 1, 1);
+    var AVAILABLE_THREADS = Math.max(Math.min((0, os_1.cpus)().length, 8) - 1, 1);
     function runFormatterInParallel(allFiles, action) {
       return new Promise((resolve) => {
         const formatters = (0, index_1.getActiveFormatters)();