SCRIPTS: announce-release: add shortened links to pending issues

The list of URLs now also adds pending bugs, reviewed bugs, and code
reports. The redirect is performed on haproxy.org since github URLs
are far too large here.

scripts/announce-release

@@ -220,6 +220,9 @@ fi
  echo "   Git repository   : http://git.haproxy.org/git/${gitdir}/"
  echo "   Git Web browsing : http://git.haproxy.org/?p=${gitdir}"
  echo "   Changelog        : http://www.haproxy.org/download/${BRANCH}/src/CHANGELOG"
+ echo "   Pending bugs     : http://www.haproxy.org/l/pending-bugs"
+ echo "   Reviewed bugs    : http://www.haproxy.org/l/reviewed-bugs"
+ echo "   Code reports     : http://www.haproxy.org/l/code-reports"
 ) >> "$OUTPUT"
 
 # sign