Fix some issues reported by lintian

Fix some issues reported by lintian

• Update lintian override info format in d/r-cran-spatial.lintian-overrides on line 1. (mismatched-override)
• Trim trailing whitespace. (trailing-whitespace)
• Set upstream metadata fields: Archive, Contact, Name. (upstream-metadata-file-is-missing)

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/6d/ad06dbe74144e3b6c9b89bbfaca89bef17089b.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/9c/37466e1281d9c54c10075a3a8beabb52e557cc.debug

No differences were encountered between the control files of package **r-cran-spatial**

Control files of package r-cran-spatial-dbgsym: lines which differ (wdiff format)

• Build-Ids: 9c37466e1281d9c54c10075a3a8beabb52e557cc 6dad06dbe74144e3b6c9b89bbfaca89bef17089b

You can also view the diffoscope diff (unfiltered).

This merge proposal was created by the Janitor bot, and it will automatically rebase or close this proposal as appropriate when the target branch changes. Any comments you leave here will be read by the Janitor's maintainers.

Build and test logs for this branch can be found at https://janitor.debian.net/run/21776fa3-0346-41be-be23-663486173c54.