chore(version) - bump charts after merge of PR (#442)

Automated chart versioning after merge of PR #441.
This PR updates Chart.yaml versions, packages updated charts into
docs/interledger,
and regenerates the Helm index.

Co-authored-by: bosbaber <1615407+bosbaber@users.noreply.github.com>

Author: github-actions[bot]

charts/rafiki/Chart.yaml

@@ -4,7 +4,7 @@ description: Rafiki Helm chart for Kubernetes
 home: https://github.com/interledger/rafiki
 
 type: application
-version: 3.1.0
+version: 3.1.1
 appVersion: "v2.3.0-beta"
 
 dependencies: