feat(fig): suppress ExperimentalWarning
feat(fig): suppress ExperimentalWarning

In the absence of something like the feature proposed here:

    https://github.com/nodejs/node/issues/30810

Let's just take the heavy-handed approach of suppressing all warnings
unless `--debug` is in effect. Keeps ugly:

    (node:19198) ExperimentalWarning: The ESM module loader is experimental.

out of the console. Will rip this all out once it moves out of
experimental status.

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