Update lean-toolchain for leanprover/lean4#13171

leanprover-bot · leanprover-bot · commit edaf7421c497 · 2026-06-22T13:55:13.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4-pr-releases:pr-release-13171-acee03c
+leanprover/lean4-pr-releases:pr-release-13171-db9f4c4

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4-pr-releases:pr-release-13171-acee03c`
	`1`	`+leanprover/lean4-pr-releases:pr-release-13171-db9f4c4`