checkpoint: allow configuration of time zones

[efd6]

What does this PR do?

Allow configuration of time zones.

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

• [ ]

How to test this PR locally

Related issues

• Updates [Check Point] Timezone Offset #5126

Screenshots

[elasticmachine]

💚 Build Succeeded

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Build stats

• Start Time: 2023-02-01T04:48:47.827+0000

• Duration: 17 min 16 sec

Test stats 🧪

Test	Results
Failed	0
Passed	12
Skipped	0
Total	12

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[elasticmachine]

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

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 2.504
Classes	100.0% (1/1)	💚 2.504
Methods	100.0% (15/15)	💚 8.65
Lines	83.641% (726/868)	👎 -8.579
Conditionals	100.0% (0/0)	💚

[kcreddy]

LGTM 👍🏼

[elasticmachine]

Package checkpoint - 1.12.0 containing this change is available at https://epr.elastic.co/search?package=checkpoint