Add skiaversion to leasing target

Change-Id: Id8e125fcf1005b1e4eb71a9834b9fe2bd00bf3c6
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/264319
Reviewed-by: Ravi Mistry <rmistry@google.com>
diff --git a/leasing/Makefile b/leasing/Makefile
index ad9968e..21f3b33 100644
--- a/leasing/Makefile
+++ b/leasing/Makefile
@@ -18,7 +18,7 @@
 	go install -v ./go/...
 
 .PHONY: leasing
-leasing: clean_webtools elements_html
+leasing: clean_webtools elements_html skiaversion
 	go install -v ./go/...
 
 .PHONY: release