3.0.0

#1282 Fix Auto Exception Collection.
#1292 Update Warning Tests and Add Console Logging by Default.
#1296 Update agent backoff logic.
#1298 Update Support Status of Native Metrics & Env Vars.
#1300 Clean Up Shim Files & Fix Check for Extended Metrics Env Var.
#1302 Add Shim Performance Testing.
#1306 Update Unsupported Messages & Remove Deprecated SemAttrs.