Fix some issues reported by lintian

Fix some issues reported by lintian

• Wrap long lines in changelog entries: 1.6-1. (debian-changelog-line-too-long)
• 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-Submit (from ./configure). (upstream-metadata-file-is-missing, upstream-metadata-missing-bug-tracking)

This merge proposal was created automatically by the Janitor bot.

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Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/ccrypt/89108a69-3368-4bb3-8b7e-097b9eccfd23.

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/8b/34ad5eee693b6136f422beb636ba97504e79f1.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/f2/2c6e81853eb025b6fffafdf4c3446da3d50722.debug
-rw-r--r--  root/root   /usr/lib/debug/.dwz/x86_64-linux-gnu/ccrypt.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/8d/c82967049f15f24a5e4c9f9937558a650f8c04.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/b6/035d35942c04ef931a1f9ab801bd14ed353e22.debug

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

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

• Build-Ids: 8dc82967049f15f24a5e4c9f9937558a650f8c04 b6035d35942c04ef931a1f9ab801bd14ed353e22 8b34ad5eee693b6136f422beb636ba97504e79f1 f22c6e81853eb025b6fffafdf4c3446da3d50722

No differences were encountered between the control files of package **elpa-ps-ccrypt**

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