deps(compose): Update sablierapp/sablier Docker tag to v1.16.1

[renovate]

This PR contains the following updates:

Package	Update	Change
sablierapp/sablier	minor	1.15.0 → 1.16.1

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Release Notes

sablierapp/sablier (sablierapp/sablier)

v1.16.1

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Bug Fixes

• dockerswarm: honor the running-only filter in InstanceList (#​1041) (7bc1459)

v1.16.0

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Features

• kubernetes: add ready-on-first-replica option (#​1011) (c059946)

Bug Fixes

• api: pass the request context, not the gin context, to session requests (#​1019) (0fb0079)
• api: surface theme render errors and validate the theme before starting instances (#​1021) (8efa983)
• dockerswarm: nil-service panic when the name filter has no exact match (#​1017) (3d704f1)
• kubernetes: detect CloudNativePG CRD via discovery instead of List (#​1002) (c2673cf)
• kubernetes: handle informer tombstones in deployment/statefulset watchers (#​1018) (8b93854)
• sablier: copy group member slices at the registry boundary (#​1016) (8e1df8b)
• server: drain in-flight requests on shutdown and fail fast on bind errors (#​1020) (5bb95c9)

Code Refactoring

• api: return an explicit session DTO instead of the domain struct (#​1024) (5b9fcb0)
• provider: one event-stream loop for the Docker-API providers (#​1022) (642d0fa)
• sablier: typed InstanceConfig with one parser and one enabled-semantics (#​1023) (65b82c2)
• store: persist sessions as explicit versioned records (#​1025) (57b9fe4)

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