Update sbt to 1.8.1

scala-steward-bot · xuwei-k · commit f0e5a2088909 · 2023-01-04T06:57:30.000+09:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.0
+sbt.version=1.8.1
