`--es-module-specifier-resolution` is the only flagged portion of the
ESM implementation that does not have the word experimental in the flag
name. This commit changes the flag to:
`--experimental-specifier-resolution`
`--es-module-specifier-resolution` remains as an alias for backwards
compatibility but it is no longer documented.
PR-URL: https://github.com/nodejs/node/pull/30678
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>