Release v2.21.1

Changes since v2.21.0

• v2.21.1 (53d885a8) by ItsLemmy
• CalendarPanel: better auto sizing. (82c6578a) by ItsLemmy
• NPanel: better logic for auto detaching. (691dcc9c) by ItsLemmy
• NPanel: if bar opacity < 33%, detach panel from bar and dont match bg opacity. (c036ff0d) by ItsLemmy
• translations: more accurate volume/microphone tooltips. (87144df0) by ItsLemmy
• Set version to dev (aad8cd46) by Ly-sec