Sentry: bump getsentry/vroom from 26.3.1 to 26.4.0 in /services/sentry (#15)

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

@@ -901,7 +901,7 @@ services:
       - feature-complete
 
   vroom:
-    image: "${VROOM_IMAGE:-ghcr.io/getsentry/vroom:26.3.1}"
+    image: "${VROOM_IMAGE:-ghcr.io/getsentry/vroom:26.4.0}"
     container_name: sentry-vroom
     depends_on:
       kafka:
@@ -936,7 +936,7 @@ services:
       - feature-complete
 
   vroom-cleanup:
-    image: "${VROOM_IMAGE:-ghcr.io/getsentry/vroom:26.3.1}"
+    image: "${VROOM_IMAGE:-ghcr.io/getsentry/vroom:26.4.0}"
     container_name: sentry-vroom-cleanup
     depends_on:
       vroom: