Update bundled PCRE2-library to version 10.23

Some manual changes done to the library were lost with this update.
They will be added in the next commit.

pcre2/testdata/grepinput

@@ -604,6 +604,19 @@ AB.VE the turtle
 
 010203040506
 
+match 1:
+ a
+match 2:
+ b
+match 3:
+ c
+match 4:
+ d
+match 5:
+ e
+Rhubarb
+Custard Tart
+
 PUT NEW DATA ABOVE THIS LINE.
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