[client] Add enpoint to fetch targets for nuclei and nmap injectors

[savacano28]

Proposed changes

• Add endpoint /endpoints/targets to fetch target for nuclei and nmap injectors

Related issues

• Related to : [backend/frontend] Add enpoint to fetch for nuclei and nmap injectors openaev#4169 (oaev)
• Related to: [all] Allow nmap and nuclei support asset groups injectors#107 (injector)
• Closes #4165 oaev

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality
• For bug fix -> I implemented a test that covers the bug

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...