[Buildroot] [git commit branch/2022.11.x] Config.in: update default CPAN mirror to https, update mirrors URL

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=b2addf40a1daa526bcdc9edf81916296b99ff22d
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.11.x

The http site automatically redirects to the https variant, so let's
just use that as the default.

The mirror list URL http://search.cpan.org/mirror seems outdated
(re-directed to https://metacpan.org/mirrors aka 'Not Found - The
resource you requested could not be found.').

The closest matching URLs we found were:

  https://www.cpan.org/SITES.html
  http://mirrors.cpan.org/map.html
  http://mirrors.cpan.org/

That last one has all the list, so we use that; the second is a world
map, so we also include it.

Sadly, neither of the mirrors list (table or map) are served as https;
they are only available as http...

Signed-off-by: Peter Seiderer <ps.report at gmx.net>
[yann.morin.1998 at free.fr:
  - add a little blurb to explain http->https redirect
  - update the mirror list URL, and...
  - extend commit message with original explanations from Peter, and..
  - notice that they are not served via https...
]
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
(cherry picked from commit add21fd600b2db4dbb930e2e62b9fbb1b72cceb9)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 Config.in | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Config.in b/Config.in
index 3c57c591a8..64604a0aed 100644
--- a/Config.in
+++ b/Config.in
@@ -287,14 +287,15 @@ config BR2_LUAROCKS_MIRROR
 
 config BR2_CPAN_MIRROR
 	string "CPAN mirror (Perl packages)"
-	default "http://cpan.metacpan.org"
+	default "https://cpan.metacpan.org"
 	help
 	  CPAN (Comprehensive Perl Archive Network) is a repository of
 	  Perl packages. It has multiple software mirrors scattered
 	  around the world. This option allows you to select a mirror.
 
 	  The list of mirrors is available at:
-	  http://search.cpan.org/mirror
+	  http://mirrors.cpan.org/          (tabular)
+	  http://mirrors.cpan.org/map.html  (clickable world map)
 
 endif