Doesn't allow slash character in IAM role name (even though it's valid)

[aripalo]

Describe the bug

Vegas credentials doesn't work if Role name contains / character.

System (please complete the following information):

• OS: macOS
• OS Version: 14.4.1
• Tool Version: 0.14.4
• Tool Installation Method: brew
• Credential Process invoked via: any way

To Reproduce
Steps to reproduce the behavior:

1. Have slash character in the vegas_role_arn
2. Try to assume role

Expected behavior
Should work

Output

❌ Credentials: Error: Profile "foobar" contains invalid vegas_role_arn "arn:aws:iam::123456789012:role/with/slash". Must satisty ^arn:aws:iam:\d*:\d{12}:role\/[a-zA-Z0-9_+=,.@-]{1,64}$