Install {later} 1.2.0 for legacy build (first to drop BH)

https://github.com/r-lib/later/blob/01f660bf3a9b54eca00d1a66b8b9afbe3f0ddcc4/NEWS.md?plain=1#L45

Author: jdblischak

data/legacy-package-versions.csv

@@ -42,7 +42,7 @@ ellipsis,0.3.2,current
 lifecycle,1.0.0,archive
 cachem,1.0.5,archive
 htmltools,0.5.1.1,archive
-later,0.7.4,archive
+later,1.2.0,archive
 hunspell,3.0.1,archive
 highr,0.9,archive
 markdown,1.1,archive

scripts/download-legacy-versions.R

@@ -59,7 +59,7 @@ deps["evaluate", "version"] <- "0.13"
 deps["fs", "version"] <- "1.2.7"
 deps["git2r", "version"] <- "0.26.0"
 deps["knitr", "version"] <- "1.29"
-deps["later", "version"] <- "0.7.4"
+deps["later", "version"] <- "1.2.0"
 deps["reticulate", "version"] <- "1.15"
 deps["rmarkdown", "version"] <- "1.18"
 deps["xfun", "version"] <- "0.15"