Update sbt to 1.7.3

Atry · web-flow · commit d93376af0a8c · 2023-01-09T08:37:12.000-08:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.5
+sbt.version=1.7.3
