docs(decisions): accept the ADRs added by the second issue batch

[samtrion]

Summary

Accepts the seven decisions that were merged in state proposed by the second issue batch (maintainer decision).

Changes

Set state: accepted and lastModified: 2026-09-29 in:

• 2026-09-28-audit-write-fail-open.md (fix(audit): keep the handler outcome when the audit write fails #893)
• 2026-09-28-entityframework-and-cosmosdb-outbox-lease-reclaim.md (fix(outbox): reclaim expired Processing messages in Entity Framework Core and Cosmos DB #903)
• 2026-09-28-idempotency-refresh-expired-keys-on-reserve.md (feat(idempotency): refresh expired idempotency keys atomically on reserve and store #909)
• 2026-09-28-opentelemetry-telemetry-conventions.md (fix(telemetry): align Pulse activities and metrics with OpenTelemetry conventions and record abandoned streams #908)
• 2026-09-28-rabbitmq-transport-publisher-confirms.md (fix(rabbitmq): publish with publisher confirms, persistent delivery and mandatory routing #902)
• 2026-09-29-outbox-handler-runs-before-event-dispatcher.md (fix(core): run the outbox handler before dispatching other event handlers #905)
• 2026-09-29-process-local-cache-invalidation.md (fix(caching): stop losing and duplicating cache invalidation keys #904)

Impact

Docs only. No ADR in decisions/ is left in state proposed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.88%. Comparing base (b90cf55) to head (2a8724b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #911      +/-   ##
==========================================
+ Coverage   95.86%   95.88%   +0.01%     
==========================================
  Files         275      275              
  Lines       11895    11895              
  Branches     1125     1125              
==========================================
+ Hits        11403    11405       +2     
+ Misses        274      272       -2     
  Partials      218      218              

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