Build: Only fail when versions mismatch in CI

lib/build.js

@@ -3,6 +3,8 @@ const util = require('../lib/util')
 const path = require('path')
 const fs = require('fs-extra')
 
+const isCIEnvironment = !!process.env.CI
+
 const touchOverriddenFiles = () => {
   console.log('touch original files overridden by chromium_src...')
 
@@ -81,7 +83,7 @@ const checkVersionsMatch = () => {
   const braveVersionFromChromeFile = `${found[2]}.${found[3]}.${found[4]}`
   if (braveVersionFromChromeFile !== config.braveVersion) {
     console.warn(`Version files do not match!\nsrc/chrome/VERSION: ${braveVersionFromChromeFile}\nbrave-browser package.json version: ${config.braveVersion}`)
-    if (config.buildConfig === 'Release') {
+    if (isCIEnvironment) {
       process.exit(1)
     }
   }