[MySQL] Add alerting rule templates

[gpop63]

Proposed commit message

This PR adds alerting rule template for the identified key alerting metrics.

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.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

Author's Checklist

• [ ]

How to test this PR locally

Related issues

• Closes elastic/obs-integration-team/issues/544

Screenshots

[gpop63]

Reason for a4ede27 pipeline changes:

Error: building package failed: invalid content found in built zip package: found 2 validation errors:
   1. file "/Users/gabrielpop/work/integrations/build/packages/mysql-1.29.0.zip/data_stream/slowlog/elasticsearch/ingest_pipeline/default.json" is invalid: field processors.16.remove.if: rename "message" to "event.original" processor requires remove "message" processor with if: 'ctx.event?.original != null' (JSE00001)
   2. file "/Users/gabrielpop/work/integrations/build/packages/mysql-1.29.0.zip/data_stream/slowlog/elasticsearch/ingest_pipeline/default.json" is invalid: field processors.16.remove.field: rename "message" to "event.original" processor requires remove "message" processor (JSE00001)

[muthu-mps]

/test

[gpop63]

/test

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

To see the full report comment with /test benchmark fullreport

[muthu-mps]

/test

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 9e385b8

History

• 💚 Build #34539 succeeded 5ae1a38
• 💔 Build #34293 failed 00ca885
• 💔 Build #34227 failed 7994815
• 💚 Build #33694 succeeded 2cf7b78
• 💚 Build #33431 succeeded 12fcd45
• 💚 Build #32757 succeeded 03ca520

cc @gpop63

[elastic-vault-github-plugin-prod]

Package mysql - 1.29.0 containing this change is available at https://epr.elastic.co/package/mysql/1.29.0/