rel: prep Refinery 1.19.1 release (#244)

## Which problem is this PR solving?

Prepare refinery chart 1.19.1 release

## Short description of the changes

- Bump chart version
- update changelog

charts/refinery/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Refinery Helm Chart Changelog
 
+## Refinery v1.19.1
+  - feat: Add the ability to create your own Secret Provider (#243) | @RainofTerra
+  - chore: Allow users to add annotations for refinery and collector deployments (#236) | @suryapandian
+
 ## Refinery v1.19.0
   - chore: bump appVersion to 1.21 (#235) | @fchikwekwe
 

charts/refinery/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: refinery
 description: Chart to deploy Honeycomb Refinery
 type: application
-version: 1.19.0
+version: 1.19.1
 appVersion: 1.21.0
 keywords:
   - refinery