Werk #13310: Update mod_wsgi to 4.9.0

Component	Other components
Title	Update mod_wsgi to 4.9.0
Date	Oct 12, 2021
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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