chore: Update snapshot.yml (#37251)

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Co-authored-by: apmmachine <apmmachine@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Co-authored-by: Pierre HILBERT <pierre.hilbert@elastic.co>

testing/environments/snapshot.yml

@@ -3,7 +3,7 @@
 version: '2.3'
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0-ec4853e4-SNAPSHOT
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0-7281bcc7-SNAPSHOT
     # When extend is used it merges healthcheck.tests, see:
     # https://github.com/docker/compose/issues/8962
     # healthcheck:
@@ -31,7 +31,7 @@ services:
     - "./docker/elasticsearch/users_roles:/usr/share/elasticsearch/config/users_roles"
 
   logstash:
-    image: docker.elastic.co/logstash/logstash:8.12.0-ec4853e4-SNAPSHOT
+    image: docker.elastic.co/logstash/logstash:8.12.0-7281bcc7-SNAPSHOT
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:9600/_node/stats"]
       retries: 600
@@ -44,7 +44,7 @@ services:
       - 5055:5055
 
   kibana:
-    image: docker.elastic.co/kibana/kibana:8.12.0-ec4853e4-SNAPSHOT
+    image: docker.elastic.co/kibana/kibana:8.12.0-7281bcc7-SNAPSHOT
     environment:
     - "ELASTICSEARCH_USERNAME=kibana_system_user"
     - "ELASTICSEARCH_PASSWORD=testing"