Update the AUTHORS for the next release

AUTHORS.md

@@ -77,7 +77,7 @@ All names listed alphabetically.
 
 ### Contributors to PCRE2
 
-This list includes names up until the PCRE2 10.44 release. New names will be
+This list includes names up until the PCRE2 10.47 release. New names will be
 added from the Git history on each release.
 
     Scott Bell
@@ -93,13 +93,16 @@ added from the Git history on each release.
     Addison Crump
     Alex Dowad
     Daniel Engberg
+    Marco Feuerstein
     Daniel Richard G
+    Isaac Oscar Gariano
     David Gaussmann
     Andrey Gorbachev
     Jordan Griege
     Jason Hood
     Bumsu Hyeon
     Roy Ivy
+    Nobuhiro Iwamatsu
     Martin Joerg
     Guillem Jover
     Ralf Junker
@@ -114,13 +117,17 @@ added from the Git history on each release.
     Kai Lu
     Behzod Mansurov
     B. Scott Michel
+    Greg Minshall
     Nathan Moinvaziri
     Mike Munday
     Marc Mutz
     Fabio Pagani
     Christian Persch
+    Alex Reinking
+    Joshua Rogers
     Tristan Ross
     William A Rowe Jr
+    Rocco Ruscitti
     David Seifert
     Yaakov Selkowitz
     Rich Siegel
@@ -131,6 +138,7 @@ added from the Git history on each release.
     Greg Thain
     Lucas Trzesniewski
     Theodore Tsirpanis
+    Aaron M. Ucko
     Matthew Vernon
     Rémi Verschelde
     Thomas Voss

maint/README

@@ -236,7 +236,14 @@ new release.
     the long term things do change.
 
 * Ensure the AUTHORS file is up-to-date with any new contributors since the
-  last release.
+  last release. I use this simple command:
+
+  ```sh
+  git log $GIT_TAG..HEAD --format='RealAuthor: %aN <%aE>%n%w(80,4,4)%b' | \
+    grep -E '^RealAuthor: .*|Co-authored-by:' | \
+    sed -E -e 's/RealAuthor: |.*Co-authored-by:\s*//' | \
+    sort -u
+  ```
 
 * Ensure the ChangeLog and NEWS files are updated with everything that you want
   to announce in the new release.