Bump version to 0.26.0

This change bumps the crate to version 0.26.0. The following notable
changes have been made since 0.25.1:
- Added support for historic trade retrieval via data::v2::trades
- Adjusted data::v2::last_quote module to work with multiple symbols and
  renamed it to last_quotes
- Added client_order_id member to api::v2::order::ChangeReq
- Made quantity and time_in_force members of
  api::v2::order::ChangeReq optional
- Added quantity_available member to api::v2::position::Position
- Bumped minimum supported Rust version to 1.59
- Bumped websocket-util dependency to 0.11
- Bumped tokio-tungstenite dependency to 0.18

CHANGELOG.md

@@ -1,10 +1,10 @@
-Unreleased
-----------
+0.26.0
+------
 - Added support for historic trade retrieval via `data::v2::trades`
 - Adjusted `data::v2::last_quote` module to work with multiple symbols
   and renamed it to `last_quotes`
 - Added `client_order_id` member to `api::v2::order::ChangeReq`
-- Made `quanity` and `time_in_force` members of
+- Made `quantity` and `time_in_force` members of
   `api::v2::order::ChangeReq` optional
 - Added `quantity_available` member to `api::v2::position::Position`
 - Bumped minimum supported Rust version to `1.59`

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "apca"
-version = "0.25.1"
+version = "0.26.0"
 edition = "2021"
 rust-version = "1.59"
 authors = ["Daniel Mueller <deso@posteo.net>"]