update canton to 3.6.0-snapshot.20260903.20217.0.v5b83bc74

After updating canton, the following changes were made:

• daml-lf/daml-lf-versions.json was updated by running //daml-lf:update-daml-lf-versions

• daml-lf/daml-lf-features.json was updated by running //daml-lf:update-daml-lf-features Canton changes:

• 08721b48f0 Tbo-DA: ci: add a Cause column to flaky-test issue tables and attribute log-check failures to the suite (#35411)

• fef0003894 mikolajkoziel-da: Migrate commands and jobs for protocol_continuity_test_all from canton_nightly workflow (#35000)

• 17e48e043e OlegPasteliak-da: Change OnPR steps order (#20636) (#35389)

• f456cedd65 matthiasS-da: i35350: update UnstableTest annotations (#35451)

• aa28ebe5c0 Tbo-DA: ci: per-leg test timings and summary-state artifacts, drop negative durations (#35452)

• b291f9c0d6 Tbo-DA: ci: resolve previous timings run once per workflow instead of per shard (#35433)

• 6624d6c3a4 mziolekda: Add party name to the p2p events table (#34862)

• c531598c75 thibault-da: Add traffic state to data continuity dumps (#34897)

• 773b4617ec andreaslochbihler-da: ReceivedAcsCommitmentMatcher pipeline tolerates pruning gaps (#35457)

• bc8d1ae9fc matthiasS-da: i32467: ignore LedgerConsistencyIntegrationTest for protocol version 34 and lower (#35434)

• 79ede33556 Tbo-DA: ci: resolve per-leg timings artifact by job_name (#35466)

• 2b63472736 roger-bosman-da: feat(external-call): consume the daml snapshot and retarget the tests to 2.4-staging (#35462)

• 9a0468dfd4 mlachkar-da: Rank synchronizers by reassignment batch count (#35249)

• b3c4572113 andreaslochbihler-da: add retries for all indexer streams in ACS commitment pipeline (#35323)

• c75a9a0391 canton-machine: Release wrap-up: adding 3.5.16 notes and checksums for DB migrations (#35480)

• e90870bcce mlachkar-da: Abstain when the target synchronizer cannot be resolved (#35446)

• 5b83bc747e roger-bosman-da: 2.4 to stable, cut 2.5-staging (#35475)

tell-slack: canton