[Suricata] Convert visualisations to Lens

[chemamartinez]

What does this PR do?

• Updated the visualizations of Suricata dashboards to Lens
• Updated the screenshots of the dashboard on the integration main page
• Bumped minimum Kibana version to 8.7.1

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.

Related issues

• Part of Serverless - Migrate integration dashboards to Lens #6787

Screenshots

Integration page

Dashboards

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

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Build stats

• Start Time: 2023-07-06T09:57:11.201+0000

• Duration: 14 min 22 sec

Test stats 🧪

Test	Results
Failed	0
Passed	14
Skipped	0
Total	14

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (5/5)	💚
Classes	100.0% (5/5)	💚
Methods	100.0% (44/44)	💚 11.429
Lines	95.94% (827/862)	👍 3.472
Conditionals	100.0% (0/0)	💚

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Package suricata - 2.10.0 containing this change is available at https://epr.elastic.co/search?package=suricata