[ENH] Support FE replica count (#2561)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
	 - Add replica count in helm chart and bump version
 - New functionality
	 - /

## Test plan
*How are these changes tested?*
Existing tests ensure no functional regressions. This is not explicitly
tested.
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
None

k8s/distributed-chroma/Chart.yaml

@@ -16,7 +16,7 @@ apiVersion: v2
 name: distributed-chroma
 description: A helm chart for distributed Chroma
 type: application
-version: 0.1.5
+version: 0.1.6
 appVersion: "0.4.23"
 keywords:
   - chroma

k8s/distributed-chroma/templates/frontend-service.yaml

@@ -4,7 +4,7 @@ metadata:
   name: frontend-service
   namespace: {{ .Values.namespace }}
 spec:
-  replicas: 2
+  replicas: {{ .Values.frontendService.replicaCount }}
   selector:
     matchLabels:
       app: frontend-service

k8s/distributed-chroma/values.yaml

@@ -32,6 +32,7 @@ frontendService:
         value: "http://jaeger:4317"
       - name: CHROMA_OTEL_GRANULARITY
         value: all
+  replicaCount: 2
 sysdb:
   image:
     repository: 'local'