chore: release v1.19.1

Author: lidel

CHANGELOG.md

@@ -17,15 +17,24 @@ The following emojis are used to highlight certain changes:
 
 ### Changed
 
-- Upgrade go-ds-pebble to [v0.5.3](https://github.com/ipfs/go-ds-pebble/releases/tag/v0.5.3)
-
 ### Fixed
 
 ### Removed
 
 ### Security
 
 
+## v1.19.1
+
+### Added
+
+- `--diagnostic-service-url` / `RAINBOW_DIAGNOSTIC_SERVICE_URL`: Configure URL for CID retrievability diagnostic service (default: `https://check.ipfs.network`). When gateway returns 504 timeout, users see "Inspect retrievability of CID" button linking to diagnostic service. Set to empty string to disable.
+
+### Changed
+
+- Upgrade go-ds-pebble to [v0.5.3](https://github.com/ipfs/go-ds-pebble/releases/tag/v0.5.3)
+
+
 ## v1.19.0
 
 ### Added

version.json

@@ -1,3 +1,3 @@
 {
-  "version": "v1.19.0"
+  "version": "v1.19.1"
 }