* Build-Depends: Drop versioned constraint on python3-fast-histogram and python3-matplotlib.
* python3-mpl-scatter-density: Drop versioned constraint on python3-fast-histogram and python3-matplotlib in Depends.

Changes-By: deb-scrub-obsolete

Set upstream metadata fields: Bug-Database, Bug-Submit

See merge request debian-astro-team/mpl-scatter-density!1

Changes-By: lintian-brush
Fixes: lintian: upstream-metadata-file-is-missing
See-also: https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html
Fixes: lintian: upstream-metadata-missing-bug-tracking
See-also: https://lintian.debian.org/tags/upstream-metadata-missing-bug-tracking.html

Update to upstream version '0.7'
with Debian dir 82b4d96cb0f28bcd656afe6d54af9c18d74fac3f

Update to upstream version '0.6'
with Debian dir 85633bd5d53fb3472b249a00130704c542194c7c

Update to upstream version '0.5'
with Debian dir abd97c34aba5185f36d26209c57235f309a14ac0

Update to upstream version '0.4'
with Debian dir e1d17e78c59eaa476f1bf96c7cad62ac1f2df19a