[O11y][Ceph] Resolve the conflicts in host.ip field

[milan-elastic]

• Bug

What does this PR do?

• Added host.ip field in ecs.yml and added re-indexing steps to resolve conflicts for existing users.

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.

Related issues

• Closes [O11y][CEPH] Conflicts in host.ip field #7442
• Relates [O11y] Make CEPH GA  #7441

[elasticmachine]

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Build stats

• Start Time: 2023-08-28T12:23:46.853+0000

• Duration: 19 min 42 sec

Test stats 🧪

Test	Results
Failed	0
Passed	38
Skipped	0
Total	38

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[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (7/7)	💚
Files	100.0% (7/7)	💚 8.333
Classes	100.0% (7/7)	💚 8.333
Methods	100.0% (57/57)	💚 14.844
Lines	93.858% (489/521)	👍 1.399
Conditionals	100.0% (0/0)	💚

[harnish-elastic]

LGTM!

[muthu-mps]

Looks good!

[elasticmachine]

Package ceph - 0.10.1 containing this change is available at https://epr.elastic.co/search?package=ceph