[Automation] Update elastic stack version to 8.0.0-7640093f for testi…

…ng (#26460)

Co-authored-by: apmmachine <infra-root-apmmachine@elastic.co>

testing/environments/snapshot-oss.yml

@@ -3,7 +3,7 @@
 version: '2.3'
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.0.0-943ef2c0-SNAPSHOT
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.0.0-7640093f-SNAPSHOT
     healthcheck:
       test: ["CMD-SHELL", "curl -s http://localhost:9200/_cat/health?h=status | grep -q green"]
       retries: 300
@@ -21,7 +21,7 @@ services:
     - "script.context.template.cache_max_size=2000"
 
   logstash:
-    image: docker.elastic.co/logstash/logstash-oss:8.0.0-943ef2c0-SNAPSHOT
+    image: docker.elastic.co/logstash/logstash-oss:8.0.0-7640093f-SNAPSHOT
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:9600/_node/stats"]
       retries: 600
@@ -31,7 +31,7 @@ services:
     - ./docker/logstash/pki:/etc/pki:ro
 
   kibana:
-    image: docker.elastic.co/kibana/kibana:8.0.0-943ef2c0-SNAPSHOT
+    image: docker.elastic.co/kibana/kibana:8.0.0-7640093f-SNAPSHOT
     healthcheck:
       test: ["CMD-SHELL", "curl -s http://localhost:5601/api/status | grep -q 'Looking good'"]
       retries: 600

testing/environments/snapshot.yml

@@ -3,7 +3,7 @@
 version: '2.3'
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.0.0-943ef2c0-SNAPSHOT
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.0.0-7640093f-SNAPSHOT
     healthcheck:
       test: ["CMD-SHELL", "curl -s http://localhost:9200/_cat/health?h=status | grep -q green"]
       retries: 300
@@ -34,7 +34,7 @@ services:
       - ./docker/logstash/pki:/etc/pki:ro
 
   kibana:
-    image: docker.elastic.co/kibana/kibana:8.0.0-943ef2c0-SNAPSHOT
+    image: docker.elastic.co/kibana/kibana:8.0.0-7640093f-SNAPSHOT
     healthcheck:
       test: ["CMD-SHELL", "curl -s http://localhost:5601/api/status | grep -q 'Looking good'"]
       retries: 600