[Cortex XDR] Add support for Advanced security level

[nuno-andre]

What does this PR do?

This PR adds support for API tokens issued under the Advanced security level.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

How to test this PR locally

$ cd integrations/packages/panw_cortex_xdr
$ elastic-package build
$ elastic-package stack up -d -v
$ eval "$(elastic-package stack shellinit)"
$ elastic-package test  -v

[cla-checker-service]

💚 CLA has been signed

[elasticmachine]

💚 Build Succeeded

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Build stats

• Start Time: 2023-02-23T09:36:59.109+0000

• Duration: 14 min 21 sec

Test stats 🧪

Test	Results
Failed	0
Passed	6
Skipped	0
Total	6

🤖 GitHub comments

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[elasticmachine]

Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

[nuno-andre]

/test

[kcreddy]

/test

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚
Classes	100.0% (1/1)	💚
Methods	100.0% (18/18)	💚 28.125
Lines	92.6% (438/473)	👎 -7.4
Conditionals	100.0% (0/0)	💚

[kcreddy]

/test

[kcreddy]

LGTM 👍🏼

[elasticmachine]

Package panw_cortex_xdr - 1.7.0 containing this change is available at https://epr.elastic.co/search?package=panw_cortex_xdr