Fix some issues reported by lintian

Fix some issues reported by lintian

• Update watch file format version to 4. (older-debian-watch-file-standard)

• Set upstream metadata fields: Repository-Browse. (upstream-metadata-file-is-missing)

• Update pattern for GitHub archive URLs from ///tags page///archive/ -> ///archive/refs/tags/.

• debian/watch: Use GitHub /tags rather than /releases page.

• Update standards version to 4.6.1, 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 (out-of-date-standards-version)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/lwt-log/8b40f30c-f921-4b14-a519-4d43d8414fb7.

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/52/84c976c792d44264d5eeb0a7fdfdb91ff567bf.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/72/983bfbe00998a07d34e03a5ae2515a489cc66d.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/06/3a57436b1fafc6ca9bccb0afcfed1136ac0ef2.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/33/2a85968ce28c53d58326e571b4a2903ea5aaed.debug

Control files of package liblwt-log-ocaml: lines which differ (wdiff format)

• Depends: liblwt-ocaml-co6d9, liblwt-ocaml-a9um0, libresult-ocaml-zg6n1, ocaml-base-4.13.1

Control files of package liblwt-log-ocaml-dbgsym: lines which differ (wdiff format)

• Build-Ids: 063a57436b1fafc6ca9bccb0afcfed1136ac0ef2 332a85968ce28c53d58326e571b4a2903ea5aaed 5284c976c792d44264d5eeb0a7fdfdb91ff567bf 72983bfbe00998a07d34e03a5ae2515a489cc66d

Control files of package liblwt-log-ocaml-dev: lines which differ (wdiff format)

• Depends: liblwt-log-ocaml-mv7w9, liblwt-ocaml-dev-co6d9, liblwt-ocaml-dev-a9um0, libresult-ocaml-dev-zg6n1, ocaml-4.13.1

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