* [QTI-275] Add infrastructure integration testing
On pull requests that originate from branches of the `hashicorp/boundary`
repo, we now conditionally dispatch infrastructure integration tests using
the Enos framework. The `integration` Enos scenario includes two `builder`
variants which allow developers or CI to deploy a Boundary cluster in AWS
using either a local `boundary` install bundle or that which is produced
in the `build` workflow for CRT. The `test` variants determine which type
of infrastructure integration test to run. At present those options are
`cli_ui` (Bats CLI tests) or `smoke` (creates target instances and a
target host catalog and verifies that `boundary` works).
In addition to the new workflow and quality scenarios, we simplified the
some `build` workflow steps and added Go module caching to speed up the
build pipeline.
See the [enos/README.md](https://github.com/hashicorp/boundary/blob/main/enos/README.md)
for a detailed explanation on how to configure and execute Enos scenarios
from your machine.
Signed-off-by: Ryan Cragun <me@ryan.ec>
Co-authored-by: Rebecca Willett <rwillett@hashicorp.com>
Co-authored-by: Josh Branch <jbrand@hashicorp.com>
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