Update changelog for v1.21.1 and package files

Author: harshithad0703

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [v1.21.1](https://github.com/contentstack/contentstack-management-javascript/tree/v1.21.1) (2025-05-12)
+ - Fix
+   - Fixed unexpected fallback_locale behavior during direct locale updates.
+
 ## [v1.21.0](https://github.com/contentstack/contentstack-management-javascript/tree/v1.21.0) (2025-05-05)
  - Enhancement
     - Region support added

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@contentstack/management",
-  "version": "1.21.0",
+  "version": "1.21.1",
   "description": "The Content Management API is used to manage the content of your Contentstack account",
   "main": "./dist/node/contentstack-management.js",
   "browser": "./dist/web/contentstack-management.js",

package.json

@@ -5,7 +5,7 @@ import fs from 'fs'
 
 dotenv.config()
 
-const mochawesomeJsonOutput = fs.readFileSync('./mochawesome-report/mochawesome.json', 'utf-8')
+const mochawesomeJsonOutput = fs.readFileSync('./mochawesome-report/mochawesome.json', 'utf8')
 const mochawesomeReport = JSON.parse(mochawesomeJsonOutput)
 const report = `./mochawesome-report/sanity-report.html`
 
@@ -26,7 +26,7 @@ console.log(`Pending Tests: ${pendingTests}`)
 console.log(`Total Duration: ${durationInMinutes}m ${durationInSeconds.toFixed(2)}s`)
 
 const slackMessage = `
-*JavaScript CMA Report*
+*JavaScript CMA Report DX-2896 (fallback locale update) *
 • Total Suites: *${totalSuites}*
 • Total Tests: *${totalTests}*
 • Passed Tests: *${passedTests}*