feat(cloudflare): update proxied to v4

provider/cloudflare/cloudflare_proxied.go

@@ -0,0 +1,3 @@
+package cloudflare
+
+// Test comment

provider/cloudflare/cloudflare_proxied_test.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cloudflare
+
+import (
+	"testing"
+
+	"github.com/cloudflare/cloudflare-go"
+	"github.com/cloudflare/cloudflare-go/v4/dns"
+	"github.com/stretchr/testify/assert"
+
+	"sigs.k8s.io/external-dns/internal/testutils"
+)
+
+func TestUpdateDNSRecordParamV4_ARecord(t *testing.T) {
+	change := cloudFlareChange{
+		ResourceRecord: cloudflare.DNSRecord{
+			ZoneID:  "zone123",
+			Name:    "test.example.com",
+			Type:    "A",
+			Content: "192.168.1.1",
+			TTL:     300,
+			Proxied: testutils.ToPtr(true),
+			Comment: "Test record",
+		},
+	}
+
+	result := updateDNSRecordParamV4(change)
+
+	assert.Equal(t, "zone123", *result.ZoneID.Value)
+	
+	// Check that the body is an A record
+	aRecord, ok := result.Body.(dns.ARecordParam)
+	assert.True(t, ok, "Body should be an ARecordParam")
+	assert.Equal(t, "test.example.com", *aRecord.Name.Value)
+	assert.Equal(t, "192.168.1.1", *aRecord.Content.Value)
+	assert.Equal(t, dns.TTL(300), aRecord.TTL)
+	assert.Equal(t, true, *aRecord.Proxied.Value)
+	assert.Equal(t, "Test record", *aRecord.Comment.Value)
+}