fix(extra758): Reduce API calls. Print correct instance state.

[lazize]

Context

This check was showing instance as running, even when it was not.

Description

Reduced API calls. Print correct instance state and launch date.
Fix issue #497

License

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

[lazize]

I changed the OLDAGE value to force test it.

$ ./prowler -p default -f sa-east-1 -c extra758
                          _
  _ __  _ __ _____      _| | ___ _ __
 | '_ \| '__/ _ \ \ /\ / / |/ _ \ '__|
 | |_) | | | (_) \ V  V /| |  __/ |
 | .__/|_|  \___/ \_/\_/ |_|\___|_|v2.7.0-24January2022
 |_| the handy cloud security tool

 Date: Sat Mar  5 13:15:18 -03 2022

 Color code for results:
 -  INFO (Information)
 -  PASS (Recommended value)
 -  WARNING (Ignored by whitelist)
 -  FAIL (Fix required)

 This report is being generated using credentials below:

 AWS-CLI Profile: [default] AWS API Region: [sa-east-1] AWS Filter Region: [sa-east-1]
 AWS Account: [****5262] UserId: [AROA****:****]
 Caller Identity ARN: [arn:aws:sts::****5262:assumed-role/****/****]

7.58 [extra758] Check EC2 Instances older than 12 months  - ec2 [Medium]
       FAIL! sa-east-1: EC2 Instance i-0f292a68**** launched before than 2022-02-25. Launch date: 2022-02-17T12:01:22+00:00 - State: stopped


$ ./prowler -p default -f sa-east-1 -c extra758
                          _
  _ __  _ __ _____      _| | ___ _ __
 | '_ \| '__/ _ \ \ /\ / / |/ _ \ '__|
 | |_) | | | (_) \ V  V /| |  __/ |
 | .__/|_|  \___/ \_/\_/ |_|\___|_|v2.7.0-24January2022
 |_| the handy cloud security tool

 Date: Sat Mar  5 13:22:47 -03 2022

 Color code for results:
 -  INFO (Information)
 -  PASS (Recommended value)
 -  WARNING (Ignored by whitelist)
 -  FAIL (Fix required)

 This report is being generated using credentials below:

 AWS-CLI Profile: [default] AWS API Region: [sa-east-1] AWS Filter Region: [sa-east-1]
 AWS Account: [****5262] UserId: [AROA****:****]
 Caller Identity ARN: [arn:aws:sts::****5262:assumed-role/****/****]

7.58 [extra758] Check EC2 Instances older than 12 months  - ec2 [Medium]
       PASS! sa-east-1: No EC2 Instances found older than 12 months

[jfagoagas]

Good catch @lazize, thank you very much!