Fix Naming/PredicateMethod from new Rubocop version

Author: crmne

lib/ruby_llm/providers/bedrock/streaming/prelude_handling.rb

@@ -30,7 +30,7 @@ def read_prelude(chunk, offset)
           end
 
           def valid_lengths?(total_length, headers_length)
-            validate_length_constraints(total_length, headers_length)
+            valid_length_constraints?(total_length, headers_length)
           end
 
           def calculate_positions(offset, total_length, headers_length)
@@ -67,7 +67,7 @@ def scan_range(chunk, start_offset)
 
           def valid_prelude_at_position?(chunk, pos)
             lengths = extract_potential_lengths(chunk, pos)
-            validate_length_constraints(*lengths)
+            valid_length_constraints?(*lengths)
           end
 
           def extract_potential_lengths(chunk, pos)
@@ -77,7 +77,7 @@ def extract_potential_lengths(chunk, pos)
             ]
           end
 
-          def validate_length_constraints(total_length, headers_length)
+          def valid_length_constraints?(total_length, headers_length)
             return false if total_length.nil? || headers_length.nil?
             return false if total_length <= 0 || total_length > 1_000_000
             return false if headers_length <= 0 || headers_length >= total_length