GH Actions - PR, Release: Add Fedora 35, Omit Fedora 33 (0.8.x)

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Code Changes:

[Pending] Have the PR Validation Tests been run? See https://github.com/vegastrike/Vega-Strike-Engine-Source/wiki/Pull-Request-Validation
[ ] This is a documentation change only

Issues:

Purpose:

What is this pull request trying to do? Update our set of supported Fedora versions
What release is this for? 0.8.x
Is there a project or milestone we should apply this to? 0.8.x

vegastrike / Assets-Production