Upgrade to pcre2-10.36 (2020-12-04).

Test: treehugger
Change-Id: I13c712be29ace8c06062e87ebe9a76b99336c731
diff --git a/dist2/perltest.sh b/dist2/perltest.sh
index 8368781..31406c5 100755
--- a/dist2/perltest.sh
+++ b/dist2/perltest.sh
@@ -68,6 +68,9 @@
 # #newline_default commands, which are needed in the relevant pcre2test files,
 # are ignored. Any other #-command is ignored, with a warning message.
 #
+# The pattern lines should use only / as the delimiter. The other characters
+# that pcre2test supports cause problems with this script.
+#
 # The data lines must not have any pcre2test modifiers. Unless
 # "subject_literal" is on the pattern, data lines are processed as
 # Perl double-quoted strings, so if they contain " $ or @ characters, these