[updatecli] update elastic stack version for testing 8.14.0-a2d5464c-SNAPSHOT (#3364)

* chore: Update snapshot.yml

Made with ❤️️ by updatecli

* chore: Update snapshot.yml

Made with ❤️️ by updatecli

---------

Co-authored-by: apmmachine <apmmachine@users.noreply.github.com>
Co-authored-by: Julien Lind <julien.lind@elastic.co>

Author: apmmachine

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=8.14.0-faa2d2d3-SNAPSHOT
+ELASTICSEARCH_VERSION=8.14.0-a2d5464c-SNAPSHOT
 ELASTICSEARCH_USERNAME=elastic
 ELASTICSEARCH_PASSWORD=changeme
 TEST_ELASTICSEARCH_HOSTS=localhost:9200