chore(mitre gcp): add mitre mapping for gcp

[n4ch04]

Context

We need to cover mitre attack mapping for gcp

Description

Include mitre attack mapping for gcp

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 77.14286% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 86.33%. Comparing base (722554a) to head (2b0186a). Report is 8 commits behind head on master.

Files	Patch %	Lines
...ib/outputs/compliance/mitre_attack/mitre_attack.py	0.00%	5 Missing :warning:
prowler/lib/outputs/file_descriptors.py	0.00%	3 Missing :warning:

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3899   +/-   ##
=======================================
  Coverage   86.32%   86.33%           
=======================================
  Files         748      748           
  Lines       23295    23323   +28     
=======================================
+ Hits        20110    20135   +25     
- Misses       3185     3188    +3     

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