(Update): Updated the state list from where NR collects Sales tax.

Updated the list as per the request in https://newrelic.slack.com/archives/C0DSGL3FZ/p1738164601932309

src/content/docs/accounts/accounts/billing/view-or-change-account-tax-information.mdx

@@ -20,24 +20,24 @@ Some jurisdictions require taxes to be collected on Software as a Service (SaaS)
 Services sold by New Relic, Inc. in the following territories are currently subject to sales tax:
 
 * Arizona
-* Chicago, Illinois
 * Connecticut
+* District of Columbia
 * Hawaii
 * Iowa
+* illinois
 * Kentucky
 * Massachusetts
 * New York
 * Ohio
 * Pennsylvania
 * Puerto Rico
 * Rhode Island
-* South Africa
 * South Carolina
 * Tennessee
 * Texas
 * Utah
+* Vermont
 * Washington
-* Washington, DC
 
 ## View or update tax location [#view-update]