checkpoint: update logo

[efd6]

What does this PR do?

This updates the Checkpoint logo to the current branding used by that vendor.

Icon obtained from https://www.checkpoint.com/about-us/online-press-kit/.

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

See screen shots below.

Related issues

• Closes Update Check Point Logo #3184

Screenshots

Integrations page:

Checkpoint integration page:

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

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Build stats

• Start Time: 2022-06-22T05:18:09.245+0000

• Duration: 17 min 51 sec

Test stats 🧪

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)	💚 3.546
Classes	100.0% (1/1)	💚 3.546
Methods	100.0% (14/14)	💚 10.678
Lines	82.021% (625/762)	👎 -8.838
Conditionals	100.0% (0/0)	💚