Fix some issues reported by lintian

Fix some issues reported by lintian

• Use secure copyright file specification URI. (insecure-copyright-format-uri)

• Set upstream metadata fields: Security-Contact.

• Drop unnecessary dependency on dh-autoreconf.

• Fix day-of-week for changelog entries 2.31-3, 2.31-2, 2.31-1, 2.30-1. (debian-changelog-has-wrong-day-of-week)

• Update standards version to 4.6.1, no changes needed. (out-of-date-standards-version)

This merge proposal was created automatically by the Janitor bot. For more information, including instructions on how to disable these merge proposals, see https://janitor.debian.net/lintian-fixes.

You can follow up to this merge proposal as you normally would.

The bot will automatically update the merge proposal to resolve merge conflicts or close the merge proposal when all changes are applied through other means (e.g. cherry-picks). Updates may take several hours to propagate.

Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/merecat/b55ebabd-b20a-441f-a17f-94be761807f1.

Debdiff

These changes affect the binary packages:

[The following lists of changes regard files as different if they have different names, permissions or owners.]

Files in second set of .debs but not in first

-rw-r--r--  root/root   /usr/lib/debug/.build-id/0f/191a1b35f07777a10558010f874dc630ebfc13.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/ab/f445881080aee84ff92cf2eddf3e11d3b8d310.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/eb/efcdf95aa7c4e63f792ad70519b30a0006d841.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/04/85ab4d82cd07802d173cf013fd63c7241dd1d0.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/21/d14bec92cc210ea52d9cf7e8b20622c33a64b2.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/fe/5b0dfdc68afe56b3bb77bcad683221d314aff7.debug

No differences were encountered between the control files of package **merecat**

Control files of package merecat-dbgsym: lines which differ (wdiff format)

• Build-Ids: 0485ab4d82cd07802d173cf013fd63c7241dd1d0 21d14bec92cc210ea52d9cf7e8b20622c33a64b2 fe5b0dfdc68afe56b3bb77bcad683221d314aff7 0f191a1b35f07777a10558010f874dc630ebfc13 abf445881080aee84ff92cf2eddf3e11d3b8d310 ebefcdf95aa7c4e63f792ad70519b30a0006d841

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