Remove betasty directory on successful compilation backgroundTasks #3169

Job	Run time
Build integrations tests (ubuntu-latest)	5m 7s
Test platform bridges (ubuntu-latest)	9m 19s
Build integrations tests (macOS-12)	8m 13s
Formatting	27s
Test platform bridges (windows-latest)	14m 42s
Publish binaries for ${{ matrix.os }}	0s
Test platform bridges (macOS-12)	13m 20s
Test platform bridges (macOS-14)	9m 37s
Test ubuntu-latest -- 22.3.0	12m 26s
Test ubuntu-latest -- 17	11m 35s
Test windows-latest -- 22.3.0	17m 4s
Test windows-latest -- 17	16m 31s
Test macOS-12 -- 22.3.0	19m 49s
Test macOS-12 -- 17	21m 39s
Test macOS-14 -- 22.3.0	13m 56s
Test macOS-14 -- 17	12m 5s
Release version on ${{ matrix.os }}	0s
	3h 5m 50s

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