Promote Elasticsearch 1.4.0 to GA

[joshdover]

What does this PR do?

Promotes the changes from 1.4.0-beta1 to GA, including support for Ingest Pipeline metrics added in #4597. This will bump the minimum required Kibana version to 8.7.0.

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

• Test 1.4.0-beta1 on 8.7.0 BC cluster

Related issues

• Relates to Add ingest_pipeline data streams and dashboards to Elasticsearch package #4597

Screenshots

Here's what it looks like when I have Logs & Metrics enabled on a 8.7 cluster in Cloud + an agent running the system integration to ingest data.

[elasticmachine]

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Build stats

• Start Time: 2023-02-27T10:14:28.284+0000

• Duration: 37 min 56 sec

Test stats 🧪

Test	Results
Failed	0
Passed	59
Skipped	0
Total	59

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[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (5/5)	💚
Files	100.0% (9/9)	💚
Classes	100.0% (9/9)	💚
Methods	87.5% (98/112)	👎 -12.5
Lines	91.98% (562/611)	👎 -4.984
Conditionals	100.0% (0/0)	💚

[miltonhultgren]

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