Make args equal to env config
Make args equal to env config

This requires to process 2 "legacy" args that I plan to deprecate, for which I wrote a small helper method.

- "CONFIG_FILE" is now "METRIC_CONFIG" as I plan to produce a config file sometime in the distant future
- "SD_PROJECT_FOR_INTERNAL_METRICS" is now "STATS_SD_PROJECT", reasoning being "SD Project" used by the "STATS" module

google/ts-bridge,google/ts-bridge,google/ts-bridge