Bump io.projectreactor:reactor-core

Bumps [io.projectreactor:reactor-core](https://github.com/reactor/reactor-core) from 3.7.8 to 3.7.9.
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](reactor/reactor-core@v3.7.8...v3.7.9)

---
updated-dependencies:
- dependency-name: io.projectreactor:reactor-core
  dependency-version: 3.7.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

protobuf-maven-plugin/src/it/setup/pom.xml

@@ -39,7 +39,7 @@
     <scala.version>3.7.2</scala.version>
     <scalapb.version>0.11.17</scalapb.version>
     <scala-maven-plugin.version>4.9.5</scala-maven-plugin.version>
-    <reactor-core.version>3.7.8</reactor-core.version>
+    <reactor-core.version>3.7.9</reactor-core.version>
     <reactor-grpc.version>1.2.4</reactor-grpc.version>
   </properties>