Deprecations in the latest SAST CI template: eslint, bandit and gosec

What does this MR do and why?

• Following changes are made only in the latest SAST CI template (SAST.latest.gitlab-ci.yml):
  • Replaces eslint, bandit and gosec analyzers in favour of semgrep analyzer.
  • Defaults .go, .py, .java, .html and .js files to semgrep analyzer.
  • Removes support for Java from spotbugs analyzer
• Updated spec file(ee/spec/lib/gitlab/ci/templates/sast_latest_gitlab_ci_yaml_spec.rb) to pass tests supporting above changes.

Relevant issue numbers

• Update `latest` SAST template to reflect upcomi... (#366242 - closed)
• SAST Deprecation: Analyzer consolidation and CI... (#352554 - closed)
• Stop running spotbugs for java files (#355952 - closed)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.