Docs maintenance: remove external images, article QA + updates

[paulOsinski]

This PR is intended to move externally hosted images into the main repo, along with ongoing docs updates:

File Changes

• replace all externally hosted images with images on the repo, and update all image refs to use those hosted images

Article Changes

• Add Universal Importer / Dojo-CLI docs
• update DefectDojo Pro Changelog (these changes have already been implemented in Master via this commit)
• rework Request A Trial article with updated language
• QA + update articles in Cloud Manager directory
• removed all support.defectdojo.com external links

[sc-8918]
[sc-9103]
[sc-9273]

[dryrunsecurity]

DryRun Security Summary

There are no code changes or files modified in the provided input, so no summary or security review can be performed.

Expand for full summary

Summary:

There are no code changes provided in the input, so I do not have any specific observations or recommendations to make. As an application security engineer, I would typically review any code changes in a pull request to ensure they do not introduce any security vulnerabilities or unintended consequences. Without any changes to analyze, I cannot provide a meaningful summary. However, I am ready to review any future pull requests that contain code changes, and I will provide a thorough security assessment in my capacity as a "security buddy".

Files Changed:

There are no files changed in the provided input.

Code Analysis

We ran 9 analyzers against 30 files and 0 analyzers had findings. 9 analyzers had no findings.

View PR in the DryRun Dashboard.

[paulOsinski]

This wraps up my docs maintenance work for the week - this can be merged as is and I will start a new PR for next week's work.

[mtesauro]

Approved