feat: update skip-images flag description

Signed-off-by: chenk <[email protected]>

Author: chen-keinan

docs/docs/references/configuration/cli/trivy_kubernetes.md

@@ -91,7 +91,7 @@ trivy kubernetes [flags] { cluster | all | specific resources like kubectl. eg:
       --skip-db-update                    skip updating vulnerability database
       --skip-dirs strings                 specify the directories or glob patterns to skip
       --skip-files strings                specify the files or glob patterns to skip
-      --skip-images                       skip the scanning of images in the resources
+      --skip-images                       skip the downloading and scanning of images (vulnerabilities and secrets) in the cluster resources
       --skip-java-db-update               skip updating Java index database
       --skip-policy-update                skip fetching rego policy updates
   -t, --template string                   output template

pkg/flag/kubernetes_flags.go

@@ -72,7 +72,7 @@ var (
 	SkipImages = Flag[bool]{
 		Name:       "skip-images",
 		ConfigName: "kubernetes.skip.images",
-		Usage:      "skip the download and scanning (vuln and secret) of images in the cluster resources",
+		Usage:      "skip the downloading and scanning of images (vulnerabilities and secrets) in the cluster resources",
 	}
 	ExcludeNodes = Flag[[]string]{
 		Name:       "exclude-nodes",