Update dependency sbt/sbt to v1.9.3 (#626)

renovate[bot] · web-flow · commit 12bda3720352 · 2023-08-24T11:11:31.000+01:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.3
diff --git a/website/project/build.properties b/website/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.7
+sbt.version=1.9.3
