Bump version to 0.1.4

This change bumps the program's version to 0.1.4. The following notable
changes have been made since 0.1.3:
- Removed account update streaming support via events account
- Removed --json argument from events subcommand
- Renamed 'events' subcommand to 'updates'
- Added support for streaming realtime market data via updates data
- Formatted code base using rustfmt and checked in configuration
  - Added enforcement of code formatting style checks in CI
- Bumped minimum supported Rust version to 1.56
- Bumped apca dependency to 0.22.0
- Bumped tracing-subscriber dependency to 0.3

CHANGELOG.md

@@ -1,5 +1,5 @@
-Unreleased
-----------
+0.1.4
+-----
 - Removed account update streaming support via `events account`
 - Removed `--json` argument from `events` subcommand
 - Renamed `events` subcommand to `updates`

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "apcacli"
-version = "0.1.3"
+version = "0.1.4"
 authors = ["Daniel Mueller <[email protected]>"]
 edition = "2018"
 license = "GPL-3.0-or-later"