Refactor: DomainTrie use generics

dns/filters.go

@@ -70,13 +70,13 @@ type fallbackDomainFilter interface {
 }
 
 type domainFilter struct {
-	tree *trie.DomainTrie
+	tree *trie.DomainTrie[bool]
 }
 
 func NewDomainFilter(domains []string) *domainFilter {
-	df := domainFilter{tree: trie.New()}
+	df := domainFilter{tree: trie.New[bool]()}
 	for _, domain := range domains {
-		df.tree.Insert(domain, "")
+		df.tree.Insert(domain, true)
 	}
 	return &df
 }