Bump cross-spawn from 6.0.5 to 6.0.6 in /backend in the npm_and_yarn group #3952

Job	Run time
terraform-plan-prod	0s
terraform-plan-staging	0s
check-for-changes	4s
linting / frontend-linting	35s
linting / linting	1m 9s
terraform-plan / plan ( dev )	21s
terraform-plan-meta / plan ( meta )	23s
linting / validate-terraform / Test format and validite	17s
testing-from-build	0s
testing-from-ghcr / django-test	10m 40s
testing-from-ghcr / a11y-testing	8m 1s
Set Repository Event	0s
	21m 30s

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