Bump io.projectreactor:reactor-core from 3.6.7 to 3.6.9

Bumps [io.projectreactor:reactor-core](https://github.com/reactor/reactor-core) from 3.6.7 to 3.6.9.
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.6.7...v3.6.9)

---
updated-dependencies:
- dependency-name: io.projectreactor:reactor-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -290,7 +290,7 @@
             <dependency>
                 <groupId>io.projectreactor</groupId>
                 <artifactId>reactor-core</artifactId>
-                <version>3.6.7</version>
+                <version>3.6.9</version>
             </dependency>
             <dependency>
                 <groupId>io.springfox</groupId>