i18n: Update Polish translation - back-end (#230)
i18n: Update Polish translation - back-end (#230)

Signed-off-by: Marcin Mikołajczak <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@m4sk.in>
vahnj/mastodon,glitch-soc/mastodon,Kirishima21/mastodon,vahnj/mastodon,im-in-space/mastodon,glitch-soc/mastodon,im-in-space/mastodon,vahnj/mastodon,im-in-space/mastodon,glitch-soc/mastodon,im-in-space/mastodon,Kirishima21/mastodon,vahnj/mastodon,vahnj/mastodon,glitch-soc/mastodon,Kirishima21/mastodon,Kirishima21/mastodon