chore: use pinned versions (#3167)

Author: v1v

dev-tools/integration/.env

@@ -1,4 +1,6 @@
-ELASTICSEARCH_VERSION=8.13.0-SNAPSHOT
+# 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=8.13.0-jqmw70gd-SNAPSHOT
 ELASTICSEARCH_USERNAME=elastic
 ELASTICSEARCH_PASSWORD=changeme
 TEST_ELASTICSEARCH_HOSTS=localhost:9200