Fix some issues reported by lintian

Fix some issues reported by lintian

• Bump debhelper from old 11 to 12. (package-uses-old-debhelper-compat-version)

• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)

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

• Update standards version to 4.2.1, no changes needed. (ancient-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.

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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/lm4tools/319dce94-fb6f-4c0f-aff1-44215b6ec79c.

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/08/f1cd84d3977c9a7ffb4544b001ae81eb173c4e.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/2b/62c7973f6074e2e85fb31e28b939ad8b678c06.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/a3/5605e3068a99925c19f1965e25a460b98c2194.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/a4/65ade0f2644e7125acfc1c5a4e439eedd1c193.debug

No differences were encountered between the control files of package **lm4flash**

Control files of package lm4flash-dbgsym: lines which differ (wdiff format)

• Build-Ids: a35605e3068a99925c19f1965e25a460b98c2194 2b62c7973f6074e2e85fb31e28b939ad8b678c06

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

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

• Build-Ids: a465ade0f2644e7125acfc1c5a4e439eedd1c193 08f1cd84d3977c9a7ffb4544b001ae81eb173c4e

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