PR comment: reword [Helm Hub] to [ArtifactHub]

Signed-off-by: Maël Valais <mael@vls.dev> Co-authored-by: Irbe Krumina <irbekrm@gmail.com>

Author: maelvls

content/en/docs/contributing/release-process.md

@@ -144,17 +144,17 @@ The process for cutting a minor release is as follows:
 
  If the last step succeeded, you can now re-run the `cmrel publish`
  with the `--nomock` argument to actually publish the release
- artifacts to GitHub, `Quay.io`, [Helm Hub] etc.
+ artifacts to GitHub, `Quay.io`, [ArtifactHub][] etc.
 
  ```bash
  cmrel publish --nomock --release-name <RELEASE_NAME>
  ```
 
  NOTE: At this stage there will be a draft release on GitHub and a
- live release on [Helm Hub]. So you must now complete the release
- process quickly otherwise users of the latest release on[Helm Hub]
- will encounter errors, because the manual CRD install URL will not be
- available yet.
+ live release on [ArtifactHub][]. So you must now complete the release
+ process quickly otherwise users of the latest release on
+ [ArtifactHub][] will encounter errors, because the manual CRD install
+ URL will not be available yet.
 
  4. While the build is running, send a fourth Slack message in reply to
  the first message:
@@ -264,4 +264,4 @@ The process for cutting a patch release is as follows:
 
 ## Links
 
- [Helm Hub]: https://charts.jetstack.io
+ [ArtifactHub]: https://charts.jetstack.io