chore: point the branch-pin comment at the live protocol pull request

ant-protocol#23 was reverted in ant-protocol#24, and ant-protocol#25
re-applies it. WithAutonomi#25 is the pull request this pin is waiting on, so the
comment should name it. Comment only; the pin itself is unchanged.

Author: grumbach

ant-core/Cargo.toml

@@ -38,7 +38,7 @@ tower-http = { version = "0.6.8", features = ["cors"] }
 # those three deps — do not add direct evmlib/saorsa-core/saorsa-pqc
 # deps here or the version can skew between ant-client and ant-node.
 # Branch pin while the settlement-version wire types are in review
-# (WithAutonomi/ant-protocol#23). Swap back to a published `ant-protocol`
+# (WithAutonomi/ant-protocol#25). Swap back to a published `ant-protocol`
 # version pin once that PR merges and the release train publishes it.
 ant-protocol = { git = "https://github.com/grumbach/ant-protocol", branch = "settlement-version-quote-gate" }
 xor_name = "5"