refactor: run Go modernize

Signed-off-by: Deluan <deluan@navidrome.org>

plugins/host_websocket_test.go

@@ -7,6 +7,7 @@ import (
 	"crypto/sha256"
 	"encoding/base64"
 	"encoding/hex"
+	"maps"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -594,9 +595,7 @@ func (t *testableWebSocketService) getConnectionCount() int {
 func (t *testableWebSocketService) closeAllConnections() {
 	t.mu.Lock()
 	conns := make(map[string]*wsConnection, len(t.connections))
-	for k, v := range t.connections {
-		conns[k] = v
-	}
+	maps.Copy(conns, t.connections)
 	t.connections = make(map[string]*wsConnection)
 	t.mu.Unlock()
 

plugins/manager_cache_test.go

@@ -142,7 +142,7 @@ var _ = Describe("purgeCacheBySize", func() {
 			now := time.Now()
 
 			// Create 5 files, 1MiB each (total 5MiB)
-			for i := 0; i < 5; i++ {
+			for i := range 5 {
 				path := filepath.Join(cacheDir, filepath.Join("dir", "file"+string(rune('0'+i))+".bin"))
 				createFileWithSize(path, 1*1024*1024, now.Add(-time.Duration(5-i)*time.Hour))
 			}