bugfix: Don't add -release flag if target is already present #2962

Job	Run time
Build integrations tests (ubuntu-latest)	4m 54s
Launcher tests (ubuntu-latest)	8m 44s
Test platform bridges (ubuntu-latest)	8m 31s
Build integrations tests (macOS-12)	8m 49s
Publish binaries for ${{ matrix.os }}	0s
Launcher tests (windows-latest)	11m 33s
Test platform bridges (windows-latest)	13m 14s
Launcher tests (macOS-12)	12m 14s
Test platform bridges (macOS-12)	14m 36s
Formatting	23s
Test ubuntu-latest -- 22.3.0	11m 15s
Test ubuntu-latest -- 11	11m 46s
Test windows-latest -- 22.3.0	17m 9s
Test windows-latest -- 11	18m 51s
Test macOS-12 -- 22.3.0	18m 4s
Test macOS-12 -- 11	16m 44s
Release version on ${{ matrix.os }}	0s
	2h 56m 47s

Provide feedback