pcre2: Update to upstream version 10.34

Changelog: https://vcs.pcre.org/pcre2/code/tags/pcre2-10.34/ChangeLog?view=markup

thirdparty/pcre2/src/pcre2_auto_possess.c

@@ -624,6 +624,13 @@ for(;;)
       case OP_ASSERTBACK_NOT:
       case OP_ONCE:
       return !entered_a_group;
+
+      /* Non-atomic assertions - don't possessify last iterator. This needs
+      more thought. */
+
+      case OP_ASSERT_NA:
+      case OP_ASSERTBACK_NA:
+      return FALSE;
       }
 
     /* Skip over the bracket and inspect what comes next. */