strong-password parameter/flag for OSS 2.7.6

[davidby-influx]

Will be available in influxDB OSS 2.7.6, April 12th or 15th.

PR: influxdata/influxdb#24857, influxdata/influxdb#24887

See linked issue above. New configurable parameter turns on simple password complexity checks

Command line flag strong-passwords (and corresponding configuration setting and environment variable) when set to true enables a simple complexity check for use of diferent character classes and length requirements.

Relevant URLs

Issue: influxdata/influxdb#24856

InfluxDB OSS 2.7.6 (and subsequent)