Update dependency shfmt to v3.9.0

renovate[bot] · web-flow · commit a17c905d98d0 · 2024-10-02T12:58:22.000Z
diff --git a/.tool-versions b/.tool-versions
@@ -1,3 +1,3 @@
 golang 1.22.5
-shfmt 3.8.0
+shfmt 3.9.0
 shellcheck 0.10.0
