chore: Update snapshot.yml

Made with ❤️️ by updatecli

Author: github-actions[bot]

dev-tools/integration/.env

@@ -1,6 +1,6 @@
 # If you use change this version without a pinned one, please update
 # .ci/bump-elastic-stack-snapshot.yml or .github/workflows/bump-golang.yml
-ELASTICSEARCH_VERSION=8.18.7-902d94e5-SNAPSHOT
+ELASTICSEARCH_VERSION=8.18.8-61473220-SNAPSHOT
 ELASTICSEARCH_USERNAME=elastic
 ELASTICSEARCH_PASSWORD=changeme
 TEST_ELASTICSEARCH_HOSTS=localhost:9200