[Automation] Update elastic stack version to 8.4.0-3ad82aa8 for testi…

…ng (#8526)

Co-authored-by: apmmachine <[email protected]>

docker-compose.yml

@@ -10,7 +10,7 @@ services:
       fleet-server: { condition: service_healthy }
 
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.4.0-3d206b5d-SNAPSHOT
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.4.0-3ad82aa8-SNAPSHOT
     ports:
       - 9200:9200
     healthcheck:
@@ -40,7 +40,7 @@ services:
       - "./testing/docker/elasticsearch/ingest-geoip:/usr/share/elasticsearch/config/ingest-geoip"
 
   kibana:
-    image: docker.elastic.co/kibana/kibana:8.4.0-3d206b5d-SNAPSHOT
+    image: docker.elastic.co/kibana/kibana:8.4.0-3ad82aa8-SNAPSHOT
     ports:
       - 5601:5601
     healthcheck:
@@ -61,7 +61,7 @@ services:
       - "./testing/docker/kibana/kibana.yml:/usr/share/kibana/config/kibana.yml"
 
   fleet-server:
-    image: docker.elastic.co/beats/elastic-agent:8.4.0-3d206b5d-SNAPSHOT
+    image: docker.elastic.co/beats/elastic-agent:8.4.0-3ad82aa8-SNAPSHOT
     ports:
       - 8220:8220
     healthcheck:
@@ -101,7 +101,7 @@ services:
       - "./build/integrations/apm:/packages/local/apm"
 
   metricbeat:
-    image: docker.elastic.co/beats/metricbeat:8.4.0-3d206b5d-SNAPSHOT
+    image: docker.elastic.co/beats/metricbeat:8.4.0-3ad82aa8-SNAPSHOT
     environment:
       ELASTICSEARCH_HOSTS: '["http://elasticsearch:9200"]'
       ELASTICSEARCH_USERNAME: "${KIBANA_ES_USER:-admin}"