Update Flux Operator to 0.20.0 (#934)

Now includes a Flux MCP server

(docs: https://fluxcd.control-plane.io/mcp/ - NB: it is not running in
the cluster by default, and I haven't tried it yet)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Chores**
- Updated Helm chart and app version numbers for Flux Operator and Flux
Instance to 0.20.0.
- **Documentation**
- Updated version badges in the README files to reflect the new 0.20.0
release.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/system/fluxcd-operator/charts/flux-operator/Chart.yaml

@@ -8,7 +8,7 @@ annotations:
     - name: Upstream Project
       url: https://github.com/controlplaneio-fluxcd/flux-operator
 apiVersion: v2
-appVersion: v0.19.0
+appVersion: v0.20.0
 description: 'A Helm chart for deploying the Flux Operator. '
 home: https://github.com/controlplaneio-fluxcd
 icon: https://raw.githubusercontent.com/cncf/artwork/main/projects/flux/icon/color/flux-icon-color.png
@@ -25,4 +25,4 @@ sources:
 - https://github.com/controlplaneio-fluxcd/flux-operator
 - https://github.com/controlplaneio-fluxcd/charts
 type: application
-version: 0.19.0
+version: 0.20.0

packages/system/fluxcd-operator/charts/flux-operator/README.md

@@ -1,6 +1,6 @@
 # flux-operator
 
-![Version: 0.19.0](https://img.shields.io/badge/Version-0.19.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.19.0](https://img.shields.io/badge/AppVersion-v0.19.0-informational?style=flat-square)
+![Version: 0.20.0](https://img.shields.io/badge/Version-0.20.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.20.0](https://img.shields.io/badge/AppVersion-v0.20.0-informational?style=flat-square)
 
 The [Flux Operator](https://github.com/controlplaneio-fluxcd/flux-operator) provides a
 declarative API for the installation and upgrade of CNCF [Flux](https://fluxcd.io) and the

packages/system/fluxcd/charts/flux-instance/Chart.yaml

@@ -8,7 +8,7 @@ annotations:
     - name: Upstream Project
       url: https://github.com/controlplaneio-fluxcd/flux-operator
 apiVersion: v2
-appVersion: v0.19.0
+appVersion: v0.20.0
 description: 'A Helm chart for deploying a Flux instance managed by Flux Operator. '
 home: https://github.com/controlplaneio-fluxcd
 icon: https://raw.githubusercontent.com/cncf/artwork/main/projects/flux/icon/color/flux-icon-color.png
@@ -25,4 +25,4 @@ sources:
 - https://github.com/controlplaneio-fluxcd/flux-operator
 - https://github.com/controlplaneio-fluxcd/charts
 type: application
-version: 0.19.0
+version: 0.20.0

packages/system/fluxcd/charts/flux-instance/README.md

@@ -1,6 +1,6 @@
 # flux-instance
 
-![Version: 0.19.0](https://img.shields.io/badge/Version-0.19.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.19.0](https://img.shields.io/badge/AppVersion-v0.19.0-informational?style=flat-square)
+![Version: 0.20.0](https://img.shields.io/badge/Version-0.20.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.20.0](https://img.shields.io/badge/AppVersion-v0.20.0-informational?style=flat-square)
 
 This chart is a thin wrapper around the `FluxInstance` custom resource, which is
 used by the [Flux Operator](https://github.com/controlplaneio-fluxcd/flux-operator)