Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)

• Re-export upstream signing key without extra signatures. (public-upstream-key-not-minimal)

• Set field Upstream-Name in debian/copyright.

• Set upstream metadata fields: Repository-Browse. (upstream-metadata-file-is-missing)

• Update Vcs-* headers from URL redirect. (vcs-obsolete-in-debian-infrastructure)

• Use canonical URL in Vcs-Git. (vcs-field-not-canonical)

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/lierolibre/8c7bfcb7-2505-4ccd-860b-179f709c586f.

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/66/b739be73cc64074a853204ca1c85c68de3f738.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/19/96c9c871c6f6e41cd57319c74043a902495df1.debug

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

No differences were encountered between the control files of package **lierolibre-data**

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

• Build-Ids: 1996c9c871c6f6e41cd57319c74043a902495df1 66b739be73cc64074a853204ca1c85c68de3f738

You can also view the diffoscope diff (unfiltered).