Replace obsolete PCRE packages

pcre3 was removed from recent debian-based releases (eg. Trixie[1]),
while RHEL10/CentOS Stream 10 no longer ships pcre in favor of pcre2.

Use the latest whereto library release (0.5.0) which uses pcre2
instead.

[1] https://lists.debian.org/debian-devel/2021/11/msg00176.html

Depends-on: https://review.opendev.org/c/openstack/requirements/+/971428
Change-Id: I5ae44fa16128bb8dc9817a2bf2c8e349db75156b
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

bindep.txt

@@ -50,8 +50,8 @@ sqlite-devel [platform:rpm test]
 texlive [pdf-docs]
 texlive-latex-recommended [pdf-docs]
 texlive-xetex [pdf-docs]
-libpcre3-dev [platform:dpkg doc]
-pcre-devel [platform:rpm doc]
+libpcre2-dev [platform:dpkg doc]
+pcre2-devel [platform:rpm doc]
 # Nova uses lsscsi via os-brick. Due to bindep usage in devstack and
 # elsewhere, we add it here to make sure it is picked up and available at
 # runtime and in unit tests. Net result is the same that lsscsi will be

doc/requirements.txt

@@ -8,7 +8,7 @@ openstackdocstheme>=2.2.0 # Apache-2.0
 reno>=3.1.0 # Apache-2.0
 
 # redirect tests in docs
-whereto>=0.3.0 # Apache-2.0
+whereto>=0.5.0 # Apache-2.0
 
 # needed to generate osprofiler config options
 osprofiler>=1.4.0 # Apache-2.0