H-5894: Update X handle to hashai (#8215)

Author: vilkinsons

.github/ISSUE_TEMPLATE/config.yml

@@ -4,7 +4,7 @@ contact_links:
     url: https://github.com/hashintel/hash/blob/main/.github/SECURITY.md
     about: Please see our security policy
   - name: X
-    url: https://x.com/hashintel
+    url: https://x.com/hashai
     about: Find us on X
   - name: Get in touch
     url: https://hash.ai/contact

README.md

@@ -387,6 +387,6 @@ Please see [SECURITY](.github/SECURITY.md) for instructions around reporting iss
 
 ## [![a](/.github/assets/gh_icon_contact_20px-base.svg)][gh-contact]   Contact
 
-Find us on 𝕏 at [@hashintel](https://x.com/hashintel), email [hey@hash.ai](mailto:hey@hash.ai), create a [discussion](https://github.com/orgs/hashintel/discussions), or open an [issue](https://github.com/hashintel/hash/issues/new/choose) for quick help and community support.
+Find us on 𝕏 at [@hashai](https://x.com/hashai), email [hey@hash.ai](mailto:hey@hash.ai), create a [discussion](https://github.com/orgs/hashintel/discussions), or open an [issue](https://github.com/hashintel/hash/issues/new/choose) for quick help and community support.
 
 Project permalink: `https://github.com/hashintel/hash`

apps/hash-frontend/src/pages/index.page/shared/follow-us-button.tsx

@@ -3,7 +3,7 @@ import { XTwitterIcon } from "@hashintel/design-system";
 import { Button } from "../../../shared/ui/button";
 
 export const FollowUsButton = () => (
-  <Button href="https://x.com/hashintel" variant="white_cta" size="small">
+  <Button href="https://x.com/hashai" variant="white_cta" size="small">
     Follow us for updates
     <XTwitterIcon
       sx={{ fill: ({ palette }) => palette.teal[60], fontSize: 14, ml: 1.2 }}