ext/pcre: update Config to match upstream (php#14509)

In phpGH-14498, we updated pcre2lib to v10.44. However, it missed syncing the config,
that changes upstream `MAX_NAME_SIZE` from 32 to 128.

Ref: [1](PCRE2Project/pcre2@ced3b0f#diff-91c5b46dc84a94604a4e4d0caed9bf85590a2eddbb12d2e8dc80badf324a9dfb), [2](PCRE2Project/pcre2@6c670c7)

Author: Ayesh

ext/pcre/pcre2lib/config.h

@@ -75,7 +75,7 @@
    Care must be taken if it is increased, because it guards against integer
    overflow caused by enormously large patterns. */
 #ifndef MAX_NAME_SIZE
-#define MAX_NAME_SIZE 32
+#define MAX_NAME_SIZE 128
 #endif
 
 /* Defining NEVER_BACKSLASH_C locks out the use of \C in all patterns. */