Update libpcre2 to upstream version 10.22

Change-Id: I33e3c017c5653c10c98025a27fa1bc8d3c32fccd
diff --git a/dist2/testdata/grepoutputC b/dist2/testdata/grepoutputC
new file mode 100644
index 0000000..0116645
--- /dev/null
+++ b/dist2/testdata/grepoutputC
@@ -0,0 +1,8 @@
+Arg1: [T] [he ] [ ] Arg2: |T| () () (0)
+Arg1: [T] [his] [s] Arg2: |T| () () (0)
+The quick brown
+This time it jumps and jumps and jumps.
+Arg1: [qu] [qu]
+Arg1: [ t] [ t]
+The quick brown
+This time it jumps and jumps and jumps.