Update Rust crate http to 1.4.0 (#1864)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [http](https://redirect.github.com/hyperium/http) |
workspace.dependencies | patch | `1.3.1` → `1.4.0` |

---

### Configuration

📅 **Schedule**: Branch creation - "after 8pm,before 6am" in timezone
America/Los_Angeles, Automerge - "after 8pm,before 6am" in timezone
America/Los_Angeles.

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

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/oxidecomputer/crucible).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My40OC4xIiwidXBkYXRlZEluVmVyIjoiNDMuNDguMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwZW5kZW5jaWVzIl19-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.toml

@@ -65,7 +65,7 @@ fakedata_generator = "0.7"
 futures = "0.3"
 futures-core = "0.3"
 hex = "0.4"
-http = "1.3.1"
+http = "1.4.0"
 httptest = "0.16.3"
 human_bytes = "0.4.3"
 humantime = "2.3.0"