Fix some issues reported by lintian

Fix some issues reported by lintian

• Bump debhelper from old 11 to 13. (package-uses-old-debhelper-compat-version)

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

• Update standards version to 4.5.1, no changes needed. (out-of-date-standards-version)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/alkimia/45d642d3-0f5e-4455-886f-ca2dd7abf77e.

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/52/e2e0b45335786088b582b607a4574c3fd9a436.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/6f/02fcb59b1497643f11718530e9dac9bc536fd8.debug

Control files of package libalkimia5-7: lines which differ (wdiff format)

• Depends: libc6 (>= 2.4), libgcc-s1 (>= 3.0), libgmp10, libgmp10 (>= 2:6.2.1+dfsg), libqt5core5a (>= 5.15.1), libqt5dbus5 (>= 5.0.2), libstdc++6 (>= 5) 5.2)

Control files of package libalkimia5-7-dbgsym: lines which differ (wdiff format)

• Build-Ids: 6f02fcb59b1497643f11718530e9dac9bc536fd8 52e2e0b45335786088b582b607a4574c3fd9a436

No differences were encountered between the control files of package **libalkimia5-dev**

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