fix(): repetitions timestamp index on collection creation

[e11sy]

Limiter query that counts documents with timestamp $gt billing period start was a collscan because we did not have indexes on creation of the new repetitions:<projectId> collections

this kind of queries (and not only in limiter) led to memory pressure and high cpu usage

[Copilot]

Pull request overview

Adds a missing MongoDB index for newly created repetitions:<projectId> collections so queries filtering by timestamp (e.g., billing-period counting / limiter workloads) don’t degrade into collection scans, reducing CPU/memory pressure.

Changes:

• Create a timestamp index on the per-project repetitions:<projectId> collection during project creation.
• Bump package version from 1.4.13 to 1.4.14.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
src/resolvers/project.js	Adds creation of a timestamp index on repetitions:<projectId> when a project (and its collections) is created.
package.json	Version bump to 1.4.14.

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