feat: disable direct metric submission in govcloud

[apiarian-datadog]

What does this PR do?

Skips metric submission when we're running in govcloud.

Motivation

We cannot easily guarantee FIPS-compliance of the associated api calls. Let's disable them for now.

Testing Guidelines

Unit tests, and checking with our self-monitoring stacks.

Types of Changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
• This PR collects user input/sensitive content into Datadog
• This PR passes the integration tests (ask a Datadog member to run the tests)

[apiarian-datadog]

putting this on hold for now while we get bottlecap to be fips-compliant.

[apiarian-datadog]

closing in favor of #588