[GCP] Add gke ingest pipeline

[ghost]

What does this PR do?

Adds gke ingest pipeline.

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.

Author's Checklist

• [ ]

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[elasticmachine]

🚀 Benchmarks report

Package gcp 👍(0) 💚(0) 💔(5)

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Data stream	Previous EPS	New EPS	Diff (%)	Result
audit	1855.29	1408.45	-446.84 (-24.08%)	💔
dns	2923.98	1745.2	-1178.78 (-40.31%)	💔
firewall	2967.36	1831.5	-1135.86 (-38.28%)	💔
loadbalancing_logs	4484.3	3571.43	-912.87 (-20.36%)	💔
vpcflow	4524.89	1964.64	-2560.25 (-56.58%)	💔

To see the full report comment with /test benchmark fullreport

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💚 Build Succeeded

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Build stats

• Start Time: 2022-10-05T09:05:35.287+0000

• Duration: 22 min 27 sec

Test stats 🧪

Test	Results
Failed	0
Passed	82
Skipped	0
Total	82

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (5/5)	💚
Files	100.0% (5/5)	💚
Classes	100.0% (5/5)	💚
Methods	90.816% (89/98)	❕
Lines	95.752% (1375/1436)	❕
Conditionals	100.0% (0/0)	💚