Log Message:
py-postfix-mta-sts-resolver: update to 1.3.0.

1.3.0

    add command-line options "-g", "-u", "-p" by \ 
@jschauma in #97

1.2.0

    Add support for redis-sentinel by @acteru in #95
    advertise new kind of supported cache by @acteru in #96

1.1.5

    Warn about overriding DANE by @oh2fih in #92
    Fix tests by @Snawoot in #93

1.1.4

    docs: Fix a few typos by @timgates42 in #87
    fix tests by @Snawoot in #88
    allow unicode requests by @Snawoot in #91