[Stale Bot Fix] Removal of automatic closing of stale issues and PRs

[eliasmbd]

After multiple issues with automatic closing of Issues and PRs, MobilityData proposes to modify the settings of the stale bot.

• Removal of automatic closing items of stale issues and PRs.
• Change of stale label for PRs from 23 to 90 days
• Updated to latest version (v.9.0.0)

MobilityData will manually assess each stale label after 1 month of the stale announcement.

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[abyrd]

I think this is a positive move. An automatically applied "stale" tag makes perfect sense. But auto-closing such issues has always struck me as sweeping the most persistent problems under the rug.