en to sv translation catalogue (3 entries)

[ctx: Error message]
en: Could not locate package metadata
sv: Kunde inte lokalisera paketmetadata

[ctx: Required file does not exist]
en: %1 does not contain a valid metadata.json file
sv: %1 innehåller inte en giltig metadata.json-fil

[ctx: Required file does not exist]
en: %1 does not exist
sv: %1 finns inte
