Update PAR2 clients

alpha/Update_English.txt

@@ -1,5 +1,16 @@
 Release note of v1.3.3 tree
 
+[ Changes from 1.3.3.0 to 1.3.3.1 ] (2023/10/23)
+
+PAR2 client update
+ Change
+  Max number of threads to read files on SSD was increased to 6.
+
+ Improvement
+  GPU acceleration may become faster slightly.
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 [ Changes from 1.3.2.9 to 1.3.3.0 ] (2023/10/10)
 
 GUI update