feat: Add SAST/SD template support for FIPS images

What does this MR do and why?

Adds support to SAST and SD templates to use FIPS UBI images

Relates to #355518 (closed) and #355519 (closed)

How to set up and validate locally

For a semgrep-compatible project

variables:
  SAST_IMAGE_SUFFIX: '-fips'

include:
  - template: Security/SAST.gitlab-ci.yml

MR acceptance checklist

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