Update lean-toolchain for leanprover/lean4#11550

leanprover-community-mathlib4-bot · leanprover-community-mathlib4-bot · commit 9139ba44bba7 · 2025-12-09T10:09:06.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4-pr-releases:pr-release-11550-f0f7ec2
+leanprover/lean4-pr-releases:pr-release-11550-0743e78

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4-pr-releases:pr-release-11550-f0f7ec2`
	`1`	`+leanprover/lean4-pr-releases:pr-release-11550-0743e78`