updatehub: Upgrade to 2.0.3
updatehub: Upgrade to 2.0.3

Update to 2.0.3 and it includes following changes:

    - 9755e8e updatehub: unify the callback output handling and improve logging
    - 00b2dc9 updatehub: Avoid error loop in case state_change_callback fails
    - e4ab2da updatehub: Add info log entry when running the state change callback
    - f7d8e91 updatehub: Improve log message when starting to handle a state
    - 295645d updatehub: Add log entry when running a callback
    - 634f16a updatehub: runtime_settings: backward compatibility with v1
    - f8b7d4b updatehub: runtime_settings: Rename variant name in Error
    - 0f7ab9c general: Fix needless-borrow lint errors
    - dcf8c8e updatehub: settings: move v1 parsing helpers to utils module
    - 6b78d9d updatehub: runtime_settings: move tests under a module
    - 30fceb0 updatehub: settings: small refactor to simplify code
    - 07b5d1f Upgrade all dependencies
    - 315bcd6 Fix Display formatting error
    - 3631d24 updatehub: Object installing context
    - 251a13b updatehub: Use a `&str` to singature decoding from the `uhupkg` package
    - cb28a8f updatehub: Fix single thread execution
    - 4bc7641 updatehub: Update setup mock env execution string

Signed-off-by: Vinicius Aquino <f9441e563c18eb5d22d487c636eb39509807b77d@ossystems.com.br>

UpdateHub/meta-updatehub,UpdateHub/meta-updatehub,UpdateHub/meta-updatehub