docs: update Twitter references to X (formerly Twitter)

content/account-and-profile/concepts/username-changes.md

@@ -43,7 +43,7 @@ If the new owner of your old username creates a repository with the same name as
 
 ## Links to your previous profile page
 
-After changing your username, links to your previous profile page, such as `https://{% data variables.product.product_url %}/previoususername`, will return a 404 error. We recommend updating any links to your profile from elsewhere{% ifversion fpt or ghec %}, such as your LinkedIn or Twitter profile{% endif %}.
+After changing your username, links to your previous profile page, such as `https://{% data variables.product.product_url %}/previoususername`, will return a 404 error. We recommend updating any links to your profile from elsewhere{% ifversion fpt or ghec %}, such as your LinkedIn or X (formerly Twitter) profile{% endif %}.
 
 ## Accounts logged in on {% data variables.product.prodname_mobile %}
 

content/account-and-profile/tutorials/personalize-your-profile.md

@@ -90,7 +90,7 @@ Add pronouns to your public user profile to share information about yourself wit
 You can add up to four links to social accounts on your profile.
 
 {% data reusables.user-settings.access_settings %}
-1. Under "Social accounts", in a blank "Link to social profile" field, type the full URL of the social account. For example, for the `@GitHub` Twitter account, type `https://twitter.com/github`.
+1. Under "Social accounts", in a blank "Link to social profile" field, type the full URL of the social account. For example, for the `@GitHub` X (formerly Twitter) account, type `https://x.com/github`.
 {% data reusables.profile.update-profile %}
 
 {% endif %}

content/organizations/managing-organization-settings/renaming-an-organization.md

@@ -31,7 +31,7 @@ After changing your organization's name, your old organization name becomes avai
 ### Changes that aren't automatic
 
 After changing your organization's name:
-* Links to your previous organization profile page, such as `https://{% data variables.product.product_url %}/previousorgname`, will return a 404 error. We recommend you update links to your organization from other sites{% ifversion fpt or ghec %}, such as your LinkedIn or Twitter profiles{% endif %}.
+* Links to your previous organization profile page, such as `https://{% data variables.product.product_url %}/previousorgname`, will return a 404 error. We recommend you update links to your organization from other sites{% ifversion fpt or ghec %}, such as your LinkedIn or X (formerly Twitter) profiles{% endif %}.
 * API requests that use the old organization's name will return a 404 error. We recommend you update the old organization name in your API requests.
 * There are no automatic [@mention](/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#mentioning-people-and-teams) redirects for teams that use the old organization's name.{% ifversion ghec %}
 * If SAML single sign-on (SSO) and/or is enabled for the organization, you must update the organization name in the application for {% data variables.product.prodname_ghe_cloud %} on your identity provider (IdP). If you don't update the organization name on your IdP, members of the organization will no longer be able to authenticate with your IdP to access the organization's resources. For more information, see [AUTOTITLE](/organizations/managing-saml-single-sign-on-for-your-organization/connecting-your-identity-provider-to-your-organization).