remmina: Update to 1.4.6

Changelog:
List of changes:

    Hotkey language fixed !2064 (merged) @kingu
    TRANSLATION file for l10n !2065 (merged) @kingu
    Fetch news from remmina.org optional !2066 (merged) @antenore
    allow saving notes in connection profile !2067 (merged) @juarez.rudsatz
    RDP: Improving hardware option parsing !2068 (merged) @antenore
    Rearranged widgets in a new Behavior tab !2069 (merged) @juarez.rudsatz
    Add separator only when there are saved profiles. Fixes #1914 !2070 (merged) @antenore
    Implementing resume all for FTP file transfer, should fix #2210 !2072 (merged) @antenore
    Spelling: Overwrite all file transfers !2073 (merged) @kingu
    Spelling: Options for redirection x2, -: !2074 (merged) @kingu
    Edit or connect using multiple profile files from the command line !2075 (merged) @antenore
    Desktop session files for Remmina kiosk are optional !2076 (merged) @antenore
    Update Ukrainian translation for the desktop file !2077 (merged) @yurchor
    Remove 'translatable="yes"' from the fake label in remmina_spinner.glade !2079 (merged) @yurchor
    Remove 'translatable="yes"' from the fake label !2078 (merged) @yurchor
    Feat/lebowski !2080 (merged) @antenore

(ryoon)