fix(OPENFRAM-007-13): CU-86akdypzw MongoDB StatefulSets use revisionHistoryLimit: 10 instead of the mandated 2

[flamingo]

Closes findings from rule OPENFRAM-007-13 — MongoDB StatefulSets use revisionHistoryLimit: 10 instead of the mandated 2.

Draft — this is a starting point, not a finished change. The fix required judgment, so read it before trusting it.

#	Fix confidence	Finding	Location
1	🟢 95 high	MongoDB StatefulSets use revisionHistoryLimit: 10 instead of the mandated 2	manifests/datasources/mongodb/templates/statefulset.yaml:1

What changed — and what was deliberately left — is explained per finding as inline review comments on the lines each finding touched.

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Run: https://product-hub.flamingo.so/admin/code-review
Run id: 16dc4bdf-608c-4c65-84b9-63df756e4657

Merging this PR is recorded as acceptance of the rule that produced it;
closing it unmerged is recorded as rejection. Both feed rule health, so
closing a wrong suggestion is useful rather than merely tidy.

ClickUp task: CU-86akdypzw OpenFrame Kubernetes manifest hardening secondary (12 PRs)

[flamingo]

🦩 What this fix changed, finding by finding

1 finding(s) fixed in this draft — 1 explained inline on the diff.

[flamingo]

🦩 🔵 MongoDB StatefulSets use revisionHistoryLimit: 10 instead of the mandated 2

Changed revisionHistoryLimit: 10 to revisionHistoryLimit: 2 in the spec of the mongodb StatefulSet in manifests/datasources/mongodb/templates/statefulset.yaml, aligning it with the established org convention used by other workloads (kafka, zookeeper, debezium-connect, nats).

🤖 Prompt for AI agents

In manifests/datasources/mongodb/templates/statefulset.yaml around line 1, review and complete this code-review fix: MongoDB StatefulSets use revisionHistoryLimit: 10 instead of the mandated 2.
What the draft fix changed: Changed `revisionHistoryLimit: 10` to `revisionHistoryLimit: 2` in the `spec` of the `mongodb` StatefulSet in `manifests/datasources/mongodb/templates/statefulset.yaml`, aligning it with the established org convention used by other workloads (kafka, zookeeper, debezium-connect, nats).
Verify the change is correct and complete; do not refactor unrelated code.

fix confidence: 🟢 95 high — react 👍/👎 to teach the reviewer