chore(main): release core 28.9.0 (#4298)

🤖 I have created a release *beep* *boop*
---


##
[28.9.0](core-v28.8.0...core-v28.9.0)
(2025-07-08)


### Features

* **avail-client:** use chain-specific bridge API endpoints
([#4297](#4297))
([0d150de](0d150de))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: zksync-era-bot <[email protected]>

Author: zksync-era-bot

.github/release-please/manifest.json

@@ -1,5 +1,5 @@
 {
-  "core": "28.8.0",
+  "core": "28.9.0",
   "prover": "21.2.0",
   "zkstack_cli": "0.1.2"
 }

core/CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [28.9.0](https://github.com/matter-labs/zksync-era/compare/core-v28.8.0...core-v28.9.0) (2025-07-08)
+
+
+### Features
+
+* **avail-client:** use chain-specific bridge API endpoints ([#4297](https://github.com/matter-labs/zksync-era/issues/4297)) ([0d150de](https://github.com/matter-labs/zksync-era/commit/0d150def7aafb56a7240835b7d55e844951273cc))
+
 ## [28.8.0](https://github.com/matter-labs/zksync-era/compare/core-v28.7.0...core-v28.8.0) (2025-07-07)