chore(deps): update helm release rabbitmq to v15.2.0

[renovate]

This PR contains the following updates:

Package	Update	Change	Pending
rabbitmq (source)	minor	15.1.0 -> 15.2.0	15.2.1

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Release Notes

bitnami/charts (rabbitmq)

v15.2.0

• [bitnami/*] Add Bitnami Premium to NOTES.txt (#​30854) (3dfc003), closes #​30854
• [bitnami/*] docs: 📝 Add "Backup & Restore" section (#​30711) (35ab536), closes #​30711
• [bitnami/*] docs: 📝 Add "Prometheus metrics" (batch 5) (#​30674) (ed2a546), closes #​30674
• [bitnami/*] docs: 📝 Unify "Securing Traffic using TLS" section (#​30707) (b572333), closes #​30707
• [bitnami/rabbitmq] Detect non-standard images (#​30940) (4dade21), closes #​30940

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