fix(serviceaccount): update regex pattern for description

[craicoverflow]

Follows up to bf2fc6cc711aee1a0c2a/kas-fleet-manager#172

Verification Steps

Create a service account with a description with ",", ".", "-" characters.
It should get created.

$ rhoas serviceaccount create --name "test" --overwrite --file-format env --description "Hello...- ,"

Service account "test" created successfully with ID "55f8d0ed-783d-4af9-b284-019791425da5".
Credentials saved to /home/ephelan/code/github.com/redhat-developer/app-services-cli/.env

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• Documentation added for the feature
• CI and all relevant tests are passing
• Code Review completed
• Verified independently by reviewer