Add fluxcd v2.4.0 library (jsonnet-libs#485)

Author: fculpo

libs/fluxcd/config.jsonnet

@@ -3,6 +3,20 @@ local config = import 'jsonnet/config.jsonnet';
 config.new(
   name='fluxcd',
   specs=[
+    {
+      // CRDs retrieved from https://github.com/fluxcd/flux2/blob/v2.4.0/manifests/crds/kustomization.yaml
+      output: '2.4.0',
+      prefix: '^io\\.fluxcd\\.toolkit\\..*',
+      crds: [
+        'https://github.com/fluxcd/source-controller/releases/download/v1.4.1/source-controller.crds.yaml',
+        'https://github.com/fluxcd/kustomize-controller/releases/download/v1.4.0/kustomize-controller.crds.yaml',
+        'https://github.com/fluxcd/helm-controller/releases/download/v1.1.0/helm-controller.crds.yaml',
+        'https://github.com/fluxcd/notification-controller/releases/download/v1.4.0/notification-controller.crds.yaml',
+        'https://github.com/fluxcd/image-reflector-controller/releases/download/v0.33.0/image-reflector-controller.crds.yaml',
+        'https://github.com/fluxcd/image-automation-controller/releases/download/v0.39.0/image-automation-controller.crds.yaml',
+      ],
+      localName: 'fluxcd',
+    },
     {
       // CRDs retrieved from https://github.com/fluxcd/flux2/blob/v2.3.0/manifests/crds/kustomization.yaml
       output: '2.3.0',