New language versions scanners, concurrent scanning, bug fixes bundler update

Added

#485
Allow production option to npm audit command

#491
Update unit tests

#491
add line of code for bundle audit CVEs

#492
upgrade bundler to 2.3.1

#493
Add a new scanner for checking language version

#503
Support for files and not-followed-within in PatternSearch config

#508
add bugsnag logging if scanner_config has unexpected type

#512
Concurrent Scanning

#513
Set the Release Stage of Bugsnag based on a SALUS_ENVIRONMENT Envar

#515
upgrade bundler to 2.3.1 in Dockerfile

Fixed

#484
Add details for config.yaml error

#487
Fix CycloneDX error

#506
Fix typos

#506
Prevent NPMAudit From Adding Allowlisted Vulns to the SARIF Results List

#509
fix incorrect rule indexes for diff'd vuls

#514
Fix warning related SCANNERS constant