fix typo in SourceInfoTransform.scala (#4594) #3150

Job	Run time
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / ci	21m 4s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / compile project with mill	5m 45s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Formatting	1m 32s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Integration Tests	13m 1s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Benchmarking Sanity Check	2m 46s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Standard Library (2.13.15)	4m 43s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Build Mdoc & Website	6m 35s
ci (ubuntu-22.04, 8, 2.13.15, 2.4, 7.0) / Test Scala-CLI Example / Build and Test	2m 59s
check tests	1s
all tests passed	1s
publish	7m 12s
Deploy Website	10s
	1h 5m 49s

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