Fix code scanning alert - ruby: RCE vulnerability with .rdoc_options in RDoc

[2lambda123]

Tracking issue for:

• [ ] https://github.com/2lambda123/cisagov-Malcolm/security/code-scanning/96

[git-greetings[bot]]

Thanks @2lambda123 for opening this issue!

For COLLABORATOR only :

• To add labels, comment on the issue /label add label1,label2,label3

• To remove labels, comment on the issue /label remove label1,label2,label3

[git-greetings[bot]]

Issues Details of @2lambda123 in cisagov-Malcolm :	OPEN	CLOSED	TOTAL
30	0	30

[codeautopilot[bot]]

Your organization has reached the subscribed usage limit. You can upgrade your account by purchasing a subscription at Stripe payment link

_Disclaimer: This comment was entirely generated using AI. Be aware that the information provided may be incorrect._ Current plan usage: 117.00% **Have feedback or need help?** [Discord](https://discord.gg/r72ykfvyx7) [Documentation](https://docs.codeautopilot.com/) [support@codeautopilot.com](mailto:support@codeautopilot.com)