test: wait for debugger pause state on startup #8132

Job	Run time
github.event_name == 'workflow_dispatch' && 'Skipped job' \|\| 'Build slim tarball'	0s
aarch64-linux: Cache V8 build	0s
aarch64-linux: with shared ${{ matrix.openssl.name }}	-1s
${{ matrix.system }}: with shared libraries	-9s
	-10s

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