network_traffic: release as ga

[efd6]

What does this PR do?

It moves the network packet capture integration to release:ga.

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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• Start Time: 2022-05-16T06:12:15.298+0000

• Duration: 68 min 4 sec

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Test	Results
Failed	0
Passed	264
Skipped	0
Total	264

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (0/0)	💚
Files	100.0% (0/0)	💚 3.589
Classes	100.0% (0/0)	💚 3.589
Methods	71.875% (46/64)	👎 -16.396
Lines	100.0% (0/0)	💚 10.971
Conditionals	100.0% (0/0)	💚