Log Message:
py-mercurial: update to 5.0.2.

As a bonus, changes for 5.0.1 which were not available at the time of the release.

Mercurial 5.0.2

A regularly scheduled bugfix release.

1. commands

    Help fixes on hg mv and hg cp

2. unsorted

    debugrevlog: fix average size computation for empty data (issue6167)

    Fix an obscure data corruption bug with musl libc (and presumably others). \ 
See https://www.mercurial-scm.org/repo/hg-committed/rev/97ada9b8d51b the fix for \ 
more details.

Mercurial 5.0.1

A regularly scheduled bugfix release.

1. commands

    bookmark: also make bookmark cache depends of the changelog

    commit: allow --interactive to work again when naming a directory (issue6131)

2. unsorted

    manifest: avoid corruption by dropping removed files with pure (issue5801)

    sslutil: fsencode path returned by certifi (issue6132)