Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)
• Bump debhelper from old 11 to 13. (package-uses-old-debhelper-compat-version)
• Set upstream metadata fields: Archive, Contact, Name. (upstream-metadata-file-is-missing)
• Update standards version to 4.6.2, no changes needed. (out-of-date-standards-version)

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/c9/cf28a3764dd7dd36f68e15ad3237e8dd4d4f37.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/5f/874bb8277b0a8978a4803a6b8fb6b3f0847c64.debug

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

• Depends: libblas3 | libblas.so.3, libc6 (>= 2.4), r-base-core (>= 4.2.0-1~jan+unchanged1), 4.2.2.20221110-2), r-api-4.0

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

• Build-Ids: 5f874bb8277b0a8978a4803a6b8fb6b3f0847c64 c9cf28a3764dd7dd36f68e15ad3237e8dd4d4f37

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Build and test logs for this branch can be found at https://janitor.debian.net/run/4f4243da-804a-4ed4-8948-a2c4bdc04435.