Sentry: bump getsentry/snuba from 26.3.1 to 26.4.1 in /services/sentry (#20)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

services/sentry/docker-compose.yml

@@ -70,7 +70,7 @@ x-sentry-defaults: &sentry_defaults
       max-file: "50"
 
 x-snuba-defaults: &snuba_defaults
-  image: "${SNUBA_IMAGE:-ghcr.io/getsentry/snuba:26.3.1}"
+  image: "${SNUBA_IMAGE:-ghcr.io/getsentry/snuba:26.4.1}"
   depends_on:
     clickhouse:
       <<: *depends_on-healthy