Bump elasticsearch.version from 7.9.2 to 7.11.2

Bumps `elasticsearch.version` from 7.9.2 to 7.11.2.

Updates `elasticsearch-rest-high-level-client` from 7.9.2 to 7.11.2
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Commits](https://github.com/elastic/elasticsearch/compare/v7.9.2...v7.11.2)

Updates `elasticsearch` from 7.9.2 to 7.11.2
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Commits](https://github.com/elastic/elasticsearch/compare/v7.9.2...v7.11.2)

Updates `elasticsearch-rest-client` from 7.9.2 to 7.11.2
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Commits](https://github.com/elastic/elasticsearch/compare/v7.9.2...v7.11.2)

Updates `transport-netty4-client` from 7.9.2 to 7.11.2
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Commits](https://github.com/elastic/elasticsearch/compare/v7.9.2...v7.11.2)

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pom.xml

@@ -26,7 +26,7 @@
         <r2dbc.version>Arabba-SR7</r2dbc.version>
         <vertx.version>3.8.5</vertx.version>
         <netty.version>4.1.51.Final</netty.version>
-        <elasticsearch.version>7.9.2</elasticsearch.version>
+        <elasticsearch.version>7.11.2</elasticsearch.version>
         <reactor.excel.version>1.0.0</reactor.excel.version>
         <reactor.ql.version>1.0.9</reactor.ql.version>
         <fastjson.version>1.2.70</fastjson.version>