Add support for snow app run from release channel

[sfc-gh-melnacouzi]

Pre-review checklist

• I've confirmed that instructions included in README.md are still correct after my changes in the codebase.
• I've added or updated automated unit tests to verify correctness of my new code.
• I've added or updated integration tests to verify correctness of my new code.
• I've confirmed that my changes are working by executing CLI's commands manually on MacOS.
• I've confirmed that my changes are working by executing CLI's commands manually on Windows.
• I've confirmed that my changes are up-to-date with the target branch.
• I've described my changes in the release notes.
• I've described my changes in the section below.

Changes description

Add support for snow app run from release channel:

• you can run snow app run --from-release-directive --channel=my_channel to run from release directive of channel my_channel.
• --from-release-directive is required to be specified with --channel
• for app upgrades, we check if channel is the same - if not, we provide the option to drop and recreate the app instance.