Bump reactor.version from 3.6.4 to 3.6.6

Bumps `reactor.version` from 3.6.4 to 3.6.6.

Updates `io.projectreactor:reactor-core` from 3.6.4 to 3.6.6
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.6.4...v3.6.6)

Updates `io.projectreactor:reactor-test` from 3.6.4 to 3.6.6
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.6.4...v3.6.6)

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

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

pom.xml

@@ -64,7 +64,7 @@
         <mockito.version>4.9.0</mockito.version>
         <netty.version>4.1.107.Final</netty.version>
         <openwebbeans.version>2.0.27</openwebbeans.version>
-        <reactor.version>3.6.4</reactor.version>
+        <reactor.version>3.6.6</reactor.version>
         <rxjava.version>1.3.8</rxjava.version>
         <rxjava-reactive-streams.version>1.2.1</rxjava-reactive-streams.version>
         <rxjava2.version>2.2.21</rxjava2.version>