chore(deps): update docker.elastic.co/elasticsearch/elasticsearch docker tag to v9.1.2 (elastic#1243)

Co-authored-by: elastic-renovate-prod[bot] <174716857+elastic-renovate-prod[bot]@users.noreply.github.com>

Author: elastic-renovate-prod[bot]

.github/workflows/copilot-setup-steps.yml

@@ -33,7 +33,7 @@ jobs:
       TF_ACC: "1"
     services:
       elasticsearch:
-        image: docker.elastic.co/elasticsearch/elasticsearch:9.1.0@sha256:47f91984aa1065d745f0a7c827bc912ea1ac439c635854902b65b6ed77f62055
+        image: docker.elastic.co/elasticsearch/elasticsearch:9.1.2@sha256:d1a8016cf55be8ffec635ed69f5a9acb0c459db35b46a4549ec5b2847a2f170a
         env:
           discovery.type: single-node
           xpack.security.enabled: true

libs/go-kibana-rest/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:9.1.0@sha256:47f91984aa1065d745f0a7c827bc912ea1ac439c635854902b65b6ed77f62055
+    image: docker.elastic.co/elasticsearch/elasticsearch:9.1.2@sha256:d1a8016cf55be8ffec635ed69f5a9acb0c459db35b46a4549ec5b2847a2f170a
     environment:
       cluster.name: test
       discovery.type: single-node