Update Terraform flux to v1.5.1

Reviewed-on: https://git.front.kjuulh.io/clank/kubernetes-init/pulls/1

.drone.yml

@@ -0,0 +1,9 @@
+
+kind: pipeline
+type: docker
+name: "test"
+steps:
+  - name: test
+    image: harbor.front.kjuulh.io/docker-proxy/library/bash:latest
+    commands:
+      - echo 'Run tests'

modules/cloudflare/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     cloudflare = {
       source  = "cloudflare/cloudflare"
-      version = "~> 3.0"
+      version = "~> 5.0"
     }
   }
 }

modules/flux/providers.tf

@@ -3,7 +3,7 @@ terraform {
   required_providers {
     flux = {
       source  = "fluxcd/flux"
-      version = "0.14.1"
+      version = "1.5.1"
     }
     kubectl = {
       source  = "gavinbunney/kubectl"

renovate.json

@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}