[meta] Unblock migration of src/core to Bazel

[joshdover]

In order to support Phase III of the Bazel RFC (#92758), tracking issue #91056, we will need to first migrate the src/core directory to the Bazel build system. To do this, we need to make sure that all code that is imported into src/core is from projects that are already migrated to Bazel and there are no circular dependencies between them.

Known violations of this requirement:

• Circular dependency between core and data plugin for KQL [core.savedObjects] Update esKuery imports to pull from new package instead of data plugin #55485
• Circular dependency between core and cli Remove circular dependencies between CLI & core #76935
• Circular dependency between core and src/legacy/server
• Dependency on src/apm.js in Core Move /src/apm.js to its own package #93823

[elasticmachine]

Pinging @elastic/kibana-core (Team:Core)

[lukeelmers]

Circular dependency between core and data plugin for KQL #55485

The current plan for this one is for app services to move KQL into a package in 7.14, which would reduce the scope of this item significantly (as we'd just be updating imports at that point).

[lukeelmers]

Closing now that we've confirmed that the migration is unblocked.

@elastic/kibana-operations will be taking things from here and will let us know if more work is required from Core.