Release 25.4.0

[hubertdeng123]

Body

previous 25.3.0 | 25.4.0 | next 25.5.0

• Release all components (replace items with publish repo issue links).
  • relay
  • sentry
  • snuba
  • symbolicator
  • vroom
• Release self-hosted.
  • Prepare the self-hosted release (replace with publish issue repo link).
  • Check to make sure the new release branch in self-hosted includes the appropriate CalVer images.
  • Accept (publish) the release.
  • Edit release notes.
• Follow up.
  • Create the next release issue and link it from this one.
    • replace with link
  • Update the release issue template.
  • Create a PR to update relocation release tests to add the new version.
    • replace with link

[aldy505]

Should be 25.4.0, not 24.4.0