ci(jest): reduce concurrency for systems with only one cpu

Author: Xunnamius

jest.config.js

@@ -17,8 +17,8 @@ module.exports = {
       : process.platform == 'win32'
       ? 5
       : 1),
-  // ? Minimum of 10 concurrent tests executed at once; maximum of cpu cores - 1
-  maxConcurrency: Math.max(require('node:os').cpus().length - 1, 10),
+  // ? Minimum of 2 concurrent tests executed at once; maximum of cpu cores - 1
+  maxConcurrency: Math.max(require('node:os').cpus().length - 1, 2),
   verbose: false,
   testPathIgnorePatterns: ['/node_modules/', '/dist/'],
   setupFilesAfterEnv: ['./test/setup.ts'],