chore(deps): bump io.quarkiverse.operatorsdk:quarkus-operator-sdk-bom

Bumps [io.quarkiverse.operatorsdk:quarkus-operator-sdk-bom](https://github.com/quarkiverse/quarkus-operator-sdk) from 6.8.4 to 6.9.0.
- [Release notes](https://github.com/quarkiverse/quarkus-operator-sdk/releases)
- [Commits](quarkiverse/quarkus-operator-sdk@6.8.4...6.9.0)

---
updated-dependencies:
- dependency-name: io.quarkiverse.operatorsdk:quarkus-operator-sdk-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -150,7 +150,7 @@
     <quarkus.version>3.15.1</quarkus.version>
     <!-- Go to `io.quarkiverse.operatorsdk:quarkus-operator-sdk-bom` and then to the parent `io.quarkiverse.operatorsdk:quarkus-operator-sdk-parent`. -->
     <!-- TODO: Fix: Currently, versions are not aligned exactly (3.11.1 vs 3.11.0), because there is no closer version supported by QOSDK. -->
-    <quarkus-operator-sdk.version>6.8.4</quarkus-operator-sdk.version>
+    <quarkus-operator-sdk.version>6.9.0</quarkus-operator-sdk.version>
     <java-operator-sdk.version>4.9.6</java-operator-sdk.version>
     <!-- /WARNING -->