chore: bump to 0.7.1, changelog for the MSRV floor raise (1.85 -> 1.88)

Verification: 631 default / 648 all-features tests on stable, 1.88
toolchain test + clippy clean, clippy (all-targets, wasm32) clean,
fmt clean, doc clean, semver-checks clean, publish dry-run OK.

CHANGELOG.md

@@ -4,6 +4,26 @@ All notable changes to this crate are documented here. The format is
 based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and
 this crate adheres to [Semantic Versioning](https://semver.org/).
 
+## [0.7.1] - 2026-09-09
+
+The MSRV floor becomes honest: `rust-version` raises from 1.85 to
+1.88. The 1.85 claim was already false at the dependency level — the
+resolved lockfile pulls icu 2.x (MSRV 1.86) and wasip2 1.87
+transitively via `jsonschema` → `idna`, so no 1.85 toolchain could
+build 0.7.0. The raise aligns with the ecosystem floor (noq's 1.88,
+matching the QUIC path) and breaks no downstream that could build the
+crate before. No API or wire-format change; downstreams on caret
+requirements pick this up on their next `cargo update`.
+
+### Changed
+
+- **`rust-version` 1.85 → 1.88.** Verified on a real 1.88 toolchain
+  (full test suite, clippy). Two clippy lints promoted since 1.85
+  were fixed to keep `-D warnings` clean on the new floor:
+  `collapsible_else_if` (`channels::mux`) and
+  `uninlined_format_args` (`core::types`,
+  `registry::registration`). Behavior-identical.
+
 ## [0.7.0] - 2026-09-07
 
 The connect-side caller-identity seam (CF-005) plus the full sweep of

Cargo.lock

@@ -27,7 +27,7 @@ dependencies = [
 
 [[package]]
 name = "alkcall"
-version = "0.7.0"
+version = "0.7.1"
 dependencies = [
  "async-trait",
  "bytes",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "alkcall"
-version = "0.7.0"
+version = "0.7.1"
 edition = "2021"
 rust-version = "1.88"
 license = "MIT OR Apache-2.0"