Update sbt to 1.9.6 (#757)

typelevel-steward[bot] · web-flow · commit b52430969e97 · 2023-09-17T21:46:08.000-04:00
Co-authored-by: typelevel-steward[bot] &lt;106827141+typelevel-steward[bot]@users.noreply.github.com&gt;
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.5
+sbt.version=1.9.6
