[checkpoint] update title and description

[leehinman]

What does this PR do?

updates description & version for checkpoint integration.

Related issues

• Relates Update title and description based on guidelines for Elastic Agent based Security integrations #1900

[elasticmachine]

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

[elasticmachine]

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[elasticmachine]

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Build stats

• Start Time: 2021-10-19T18:29:26.121+0000

• Duration: 15 min 20 sec

• Commit: d9f660b

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Test	Results
Failed	0
Passed	7
Skipped	0
Total	7

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