pulse_connect_secure: add mapping for event.create

[efd6]

What does this PR do?

This adds the missing mapping for event.create.

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: 2022-06-21T00:57:40.013+0000

• Duration: 16 min 8 sec

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Test	Results
Failed	0
Passed	10
Skipped	0
Total	10

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 3.606
Classes	100.0% (1/1)	💚 3.606
Methods	100.0% (13/13)	💚 11.358
Lines	90.984% (111/122)	👍 1.101
Conditionals	100.0% (0/0)	💚