Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)
• Use secure copyright file specification URI. (insecure-copyright-format-uri)
• Update watch file format version to 4. (older-debian-watch-file-standard)
• Use secure URI in Homepage field. (homepage-field-uses-insecure-uri)
• Bump debhelper from old 11 to 13. (package-uses-old-debhelper-compat-version)
• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)

These changes affect the binary packages; see the debdiff

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/lintian-fixes/pkg/libcommons-collections3-java/4df4e54f-8927-4199-ad1a-aa6aea212059.

changed the description

added 6 commits

• cc6288db - Trim trailing whitespace.
• 26fea246 - Use secure copyright file specification URI.
• f149766a - Update watch file format version to 4.
• d310dae7 - Use secure URI in Homepage field.
• a6c7effb - Bump debhelper from old 11 to 13.
• 72a06889 - Set debhelper-compat version in Build-Depends.

Compare with previous version

changed the description

merged

mentioned in commit 279e5421