Update README.md
Jsfuzz supports different arguments listed here https://gitlab.com/gitlab-org/security-products/analyzers/fuzzers/jsfuzz/-/blob/master/src/index.ts#L19
Add the list of all supported arguments to https://gitlab.com/gitlab-org/security-products/analyzers/fuzzers/jsfuzz/-/blob/master/README.md
Edited by Aditya Tiwari