Remove betasty directory on successful compilation backgroundTasks #3290

Job	Run time
Formatting	27s
Test platform bridges (ubuntu-latest)	9m 6s
Publish binaries for ${{ matrix.os }}	0s
Test platform bridges (windows-latest)	15m 7s
Build integrations tests (ubuntu-latest)	4m 51s
Test platform bridges (macOS-13)	18m 35s
Build integrations tests (macOS-13)	10m 20s
Test ubuntu-latest -- 22.3.0	12m 44s
Test platform bridges (macOS-14)	10m 38s
Test ubuntu-latest -- 17	12m 33s
Test windows-latest -- 22.3.0	16m 57s
Test windows-latest -- 17	18m 25s
Test macOS-13 -- 22.3.0	18m 50s
Test macOS-13 -- 17	23m 6s
Test macOS-14 -- 22.3.0	18m 14s
Test macOS-14 -- 17	15m 49s
Release version on ${{ matrix.os }}	0s
	3h 25m 42s

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