[IMPROVEMENT] It would be convenient if the Software-updates refresh button showed the datetime of last refresh

[HenkPoley]

Please confirm these before moving forward.

• I have searched for my feature proposal and have not found a work-in-progress/duplicate/resolved/discarded issue.
• This improvement refers to an existing feature. If you want to suggest a new feature, please use this template.
• This improvement is not a bug. If you want to report a bug, please use this template.

Describe the improvement

E.g. with a mouse over yellow text.

Describe how this improvement could help users

Just show the date and time when it was last successfully fetched,

[sduquette-devolutions]

Henk Poley (@HenkPoley) Good idea, we already have the information as we currently display it under the Software Updates title. Gabriel Dufresne (@GabrielDuf) I opened #4610 to add it.

[sduquette-devolutions]

The last update time will be displayed in the version.

[HenkPoley]

Ah, for some reason I had not spotted the other place, under the title. Is it new?