Merge branch 'docs-add-sast-scala-sbt' into 'master'

Add Scala to the list of what's supported by SAST

See merge request gitlab-org/gitlab-ee!5880

doc/user/project/merge_requests/sast.md

@@ -31,6 +31,7 @@ The following languages and frameworks are supported.
 | Python                | [bandit](https://github.com/PyCQA/bandit)                                          |
 | Ruby on Rails         | [brakeman](https://brakemanscanner.org)                                                |
 | Java (Maven & Gradle) | [find-sec-bugs](https://find-sec-bugs.github.io/)                                      |
+| Scala (sbt)           | [find-sec-bugs](https://find-sec-bugs.github.io/)                                      |
 | Go (experimental)     | [Go AST Scanner](https://github.com/GoASTScanner/gas)                                  |
 | PHP                   | [phpcs-security-audit](https://github.com/FloeDesignTechnologies/phpcs-security-audit) |