Allows the user to download API fuzzing analyzer

What does this MR do?

This MR adds a Job to download the API fuzzing binary image.

1. Add api-fuzzing to the list of downloadable binaries in SECURE_BINARIES_ANALYZERS
2. Add a job that runs only runs when api-fuzzing is added in variable SECURE_BINARIES_ANALYZERS and SECURE_BINARIES_DOWNLOAD_IMAGES is set to true
3. SECURE_BINARIES_ANALYZER_VERSION which defines the image version is set to 1 for api-fuzzing to match the current version.

• Relates to issue #325731 (closed)
• Support for using SECURE_BINARIES_ANALYZERS variable in API fuzzing image. MR !60409 (merged)
• Documentation update !60512 (merged)

CI Template test

• Project
• Job
• Container Registry

Screenshots (strongly suggested)

Screenshot of the generated image in sample project

Does this MR meet the acceptance criteria?

Conformity

• 📋 Does this MR need a changelog?
  • I have included a changelog entry.
  • I have not included a changelog entry because _____.
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content

Availability and Testing

• [-] Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• [-] Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team

Related to #325731 (closed)