Update dependency shfmt to v3.9.0

renovate-bot · renovate-bot · commit 7c6e5f0411dd · 2024-08-16T22:31:46.000Z
diff --git a/.tool-versions b/.tool-versions
@@ -1,2 +1,2 @@
 shellcheck 0.9.0
-shfmt 3.8.0
+shfmt 3.9.0
