testing/croc: upgrade to 9.1.1
https://github.com/schollz/croc/releases/tag/v9.1.1
some write-up about the security vulnerability : https://schollz.com/blog/croc9/
https://github.com/schollz/croc/releases/tag/v9.1.1
some write-up about the security vulnerability : https://schollz.com/blog/croc9/