Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)

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

• debian/copyright: use spaces rather than tabs to start continuation lines. (tab-in-license-text)

• Move source package lintian overrides to debian/source. (old-source-override-location)

• Set upstream metadata fields: Bug-Database, Bug-Submit, Repository-Browse. (upstream-metadata-file-is-missing, upstream-metadata-missing-bug-tracking)

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.

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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/php-gearman/e53b77bd-8664-45aa-8ea6-72a7f046e8cb.

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/3b/6e2f4b16330d392fd225642bc088a35910bc99.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/60/6d7b0246b125e51e24c40e60eb749cbb63c0b9.debug

No differences were encountered between the control files of package **php-gearman**

No differences were encountered between the control files of package **php-gearman-all-dev**

No differences were encountered between the control files of package **php8.1-gearman**

Control files of package php8.1-gearman-dbgsym: lines which differ (wdiff format)

• Build-Ids: 606d7b0246b125e51e24c40e60eb749cbb63c0b9 3b6e2f4b16330d392fd225642bc088a35910bc99

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