Escape special characters in Property String literals (backport #4564) #3063

Job	Run time
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / compile project with mill	2m 56s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / ci	15m 20s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Formatting	3m 41s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Integration Tests	10m 0s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Standard Library Tests (2.13.12)	2m 22s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Build Mdoc & Website	6m 46s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Test Scala-CLI Example / Build and Test	3m 7s
check tests	0s
all tests passed	1s
Deploy Website	0s
publish	0s
	44m 13s

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