chore(deps): update rust crate axum to v0.8.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
axum	dependencies	patch	0.8.4 -> 0.8.8

---

Release Notes

tokio-rs/axum (axum)

v0.8.8: axum v0.8.8

Compare Source

• Clarify documentation for Router::route_layer (#​3567)

v0.8.7: axum v0.8.7

Compare Source

• Relax implicit Send / Sync bounds on RouterAsService, RouterIntoService (#​3555)
• Make it easier to visually scan for default features (#​3550)
• Fix some documentation typos

v0.8.6

Compare Source

v0.8.5: axum v0.8.5

Compare Source

• fixed: Reject JSON request bodies with trailing characters after the JSON document (#​3453)
• added: Implement OptionalFromRequest for Multipart (#​3220)
• added: Getter methods Location::{status_code, location}
• added: Support for writing arbitrary binary data into server-sent events (#​3425)]
• added: middleware::ResponseAxumBodyLayer for mapping response body to axum::body::Body (#​3469)
• added: impl FusedStream for WebSocket (#​3443)
• changed: The sse module and Sse type no longer depend on the tokio feature (#​3154)
• changed: If the location given to one of Redirects constructors is not a valid header value, instead of panicking on construction, the IntoResponse impl now returns an HTTP 500, just like Json does when serialization fails (#​3377)
• changed: Update minimum rust version to 1.78 (#​3412)

---

Configuration

📅 Schedule: Branch creation - "before 6am on Monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.