Bug#888153: Pending fixes for bugs in the prometheus package

[pkg-go-maintainers]

tag 888153 + pending
thanks

Some bugs in the prometheus package are closed in revision
15211deb72e4a23726c1fd5467e20d4cfd3eb231 in branch 'debian/sid' by
Martín Ferrari

The full diff can be seen at
https://anonscm.debian.org/cgit/pkg-go/packages/prometheus.git/commit/?id=15211de

Commit message:

    New upstream release. Closes: #888153.