add -wp-ignore-inactive flag which ignores inactive plugin or themes (#974)

* command

* config

* ignore inactive

* fix

* add test

* fmt

* add unset test

* rename

* add test

* refactor

* fix

* refactor

* refactor

* fix golangci-lint error

commands/report.go

@@ -46,6 +46,7 @@ func (*ReportCmd) Usage() string {
 		[-refresh-cve]
 		[-cvss-over=7]
 		[-diff]
+		[-wp-ignore-inactive]
 		[-ignore-unscored-cves]
 		[-ignore-unfixed]
 		[-ignore-github-dismissed]
@@ -120,6 +121,9 @@ func (p *ReportCmd) SetFlags(f *flag.FlagSet) {
 	f.BoolVar(&c.Conf.Diff, "diff", false,
 		"Difference between previous result and current result ")
 
+	f.BoolVar(&c.Conf.WpIgnoreInactive, "wp-ignore-inactive", false,
+		"ignore inactive on wordpress's plugin and theme")
+
 	f.BoolVar(&c.Conf.IgnoreUnscoredCves, "ignore-unscored-cves", false,
 		"Don't report the unscored CVEs")