Bump com.clickhouse:clickhouse-r2dbc in /modules/clickhouse

Bumps [com.clickhouse:clickhouse-r2dbc](https://github.com/ClickHouse/clickhouse-java) from 0.7.2 to 0.8.6.
- [Release notes](https://github.com/ClickHouse/clickhouse-java/releases)
- [Changelog](https://github.com/ClickHouse/clickhouse-java/blob/main/CHANGELOG.md)
- [Commits](ClickHouse/clickhouse-java@v0.7.2...v0.8.6)

---
updated-dependencies:
- dependency-name: com.clickhouse:clickhouse-r2dbc
  dependency-version: 0.8.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

modules/clickhouse/build.gradle

@@ -5,7 +5,7 @@ dependencies {
     api project(':jdbc')
 
     compileOnly project(':r2dbc')
-    compileOnly(group: 'com.clickhouse', name: 'clickhouse-r2dbc', version: '0.7.2', classifier: 'http')
+    compileOnly(group: 'com.clickhouse', name: 'clickhouse-r2dbc', version: '0.8.6', classifier: 'http')
 
     testImplementation project(':jdbc-test')
     testRuntimeOnly(group: 'com.clickhouse', name: 'clickhouse-jdbc', version: '0.7.2', classifier: 'http')
@@ -14,5 +14,5 @@ dependencies {
     testImplementation 'org.apache.httpcomponents.client5:httpclient5:5.4.2'
     testImplementation 'org.assertj:assertj-core:3.26.3'
     testImplementation testFixtures(project(':r2dbc'))
-    testRuntimeOnly(group: 'com.clickhouse', name: 'clickhouse-r2dbc', version: '0.7.2', classifier: 'http')
+    testRuntimeOnly(group: 'com.clickhouse', name: 'clickhouse-r2dbc', version: '0.8.6', classifier: 'http')
 }