fix: Update elasticsearch docker image version to 8.15.2 (#136)

Author: tpreviero

.github/workflows/plugins-ci-elasticsearch.yml

@@ -104,7 +104,7 @@ jobs:
         node-version: ${{ fromJson(inputs.node-versions) }}
     services:
       elasticsearch:
-        image: elasticsearch:8.13.2
+        image: elasticsearch:8.15.2
         ports:
           - '9200:9200'
           - '9300:9300'