Update Nikhil S Kalburgi's name as per https://github.com/wagtail/wagtail/pull/11408#issuecomment-1873961960

CHANGELOG.txt

@@ -56,7 +56,7 @@ Changelog
  * Docs: Add section to testing docs about creating pages and working with page content (Mariana Bedran Lesche)
  * Docs: Add more nuance to the database recommendations in performance page (Jadesola Kareem)
  * Docs: Add clarity that MultipleChooserPanel may require a chooser viewset and how the functionality is expected to work (Andy Chosak)
- * Docs: Clarify where documentation build commands should be run (nikhilkalburgi)
+ * Docs: Clarify where documentation build commands should be run (Nikhil S Kalburgi)
  * Maintenance: Update BeautifulSoup upper bound to 4.12.x (scott-8)
  * Maintenance: Migrate initialization of classes (such as `body.ready`) from multiple JavaScript implementations to one Stimulus controller `w-init` (Chiemezuo Akujobi)
  * Maintenance: Adopt the usage of of translate string literals using `arg=_('...')` in all `wagtailadmin` module templates (Chiemezuo Akujobi)

CONTRIBUTORS.md

@@ -777,7 +777,7 @@
 * Felipe Lobato
 * Nandini Arora
 * Sai Srikar Dumpeti
-* nikhilkalburgi
+* Nikhil S Kalburgi
 
 ## Translators
 

docs/releases/6.0.md

@@ -85,7 +85,7 @@ The admin interface now supports right-to-left languages, such as Persian, Arabi
  * Add section to [testing docs](../advanced_topics/testing) about creating pages and working with page content (Mariana Bedran Lesche)
  * Add more nuance to the database recommendations in [](performance_overview) (Jadesola Kareem)
  * Add clarity that [`MultipleChooserPanel`](multiple_chooser_panel) may require a chooser viewset and how the functionality is expected to work (Andy Chosak)
- * Clarify where documentation build commands should be run (nikhilkalburgi)
+ * Clarify where documentation build commands should be run (Nikhil S Kalburgi)
 
 ### Maintenance