fix: add deployment step to confirm that docker images can be run

[mrferris]

What was wrong?

We had an issue where the docker image tagged for testnet couldn't be run, it was missing a library.

How was it fixed?

Adds a step to the CI that attempts to run the docker image (with the -h flag for immediate but successful exit).

Adds a step to release steps to check that the master CI was successful for what we're about to deploy. This both applies to the docker image, as well as to the testing iteself, which I realized was also failing for the latest commit on master after having deployed a broken docker image.

To-Do

• Clean up commit history and use conventional commits.

[KolbyML]

@mike.ferris #1054

Are you sure -h does an immediate exit if successful? https://docs.docker.com/engine/reference/commandline/run/ says it is for specifying host name

[mrferris]

@mike.ferris #1054

Are you sure -h does an immediate exit if successful? https://docs.docker.com/engine/reference/commandline/run/ says it is for specifying host name

Sorry I should have been more specific, this is the shorthand --help flag being passed to trin so that it just gives the help output instead of starting the long running trin process.

[KolbyML]

Not sure how helpful this will be but if it does what it says it does it could save us