Convert file exclusion for directory exclusion for JAS scanners

[attiasas]

• The pull request is targeting the dev branch.
• The code has been validated to compile successfully by running go vet ./....
• The code has been formatted properly using go fmt ./....
• All static analysis checks passed.
• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
• All changes are detailed at the description. if not already covered at JFrog Documentation, new documentation have been added.

---

When using exclusion pattern from the flags, we need to convert it to file patterns that the JAS scanners work with instead of the directory pattern we ask at the flag (for sca exclusions)

Transformation:

pattern --> **/pattern/**

[github-actions]

---

🐸 JFrog Frogbot