chore( operator): community release 0.9.0 (#20089)

Co-authored-by: loki-gh-app[bot] <160051081+loki-gh-app[bot]@users.noreply.github.com>

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
   ".": "3.5.8",
-  "operator": "0.8.0"
+  "operator": "0.9.0"
 }

operator/CHANGELOG.md

@@ -1,5 +1,30 @@
 ## Main
 
+## [0.9.0](https://github.com/grafana/loki/compare/operator/v0.8.0...operator/v0.9.0) (2025-12-04)
+
+
+### ⚠ BREAKING CHANGES
+
+* **operator:** consolidate image build workflows and improve documentation ([#19395](https://github.com/grafana/loki/issues/19395))
+
+### Features
+
+* **operator:** Add alert LokiIngesterFlushFailureRateCritical ([#18698](https://github.com/grafana/loki/issues/18698)) ([66ebc5a](https://github.com/grafana/loki/commit/66ebc5a184cf1d54b1e41b14b2a76f6601156405))
+* **operator:** Add warning alert for when LokiStack is not getting ready ([#19258](https://github.com/grafana/loki/issues/19258)) ([c47fe46](https://github.com/grafana/loki/commit/c47fe465ffeebda3f4f8d84e2aff46dac3a2b878))
+* **operator:** deploy network policies with LokiStack ([#19099](https://github.com/grafana/loki/issues/19099)) ([6e6f61f](https://github.com/grafana/loki/commit/6e6f61ff9bd88bfd7e7914de48c7d14aecf7748e))
+* **operator:** s3 validation reject endpoints that contain a URL path ([#19356](https://github.com/grafana/loki/issues/19356)) ([f6ef4d8](https://github.com/grafana/loki/commit/f6ef4d89fd3e6dc43dcee2ef62f2d4ecf77a4d0f))
+
+
+### Bug Fixes
+
+* **operator:** Do not deploy NetworkPolicies automatically on OCP 4.20 ([#19680](https://github.com/grafana/loki/issues/19680)) ([8df33ff](https://github.com/grafana/loki/commit/8df33ff659d53d17b68fb894879587b330e63607))
+* **operator:** Return quickstart script to working condition and improve rootless usage ([#19960](https://github.com/grafana/loki/issues/19960)) ([397da27](https://github.com/grafana/loki/commit/397da277753d771d8c1492dd3f4db4b208b3532d))
+
+
+### Code Refactoring
+
+* **operator:** consolidate image build workflows and improve documentation ([#19395](https://github.com/grafana/loki/issues/19395)) ([292a31e](https://github.com/grafana/loki/commit/292a31e56a36a2e2fef6afe765dbe5b0a2f8f13f))
+
 ## [0.8.0](https://github.com/grafana/loki/compare/operator/v0.7.1...operator/v0.8.0) (2025-03-17)