Update lean-toolchain for leanprover/lean4#10952

leanprover-community-mathlib4-bot · leanprover-community-mathlib4-bot · commit 18678d8a018f · 2025-10-29T14:36:21.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4-pr-releases:pr-release-10952-68599a6
+leanprover/lean4-pr-releases:pr-release-10952-26d289a

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4-pr-releases:pr-release-10952-68599a6`
	`1`	`+leanprover/lean4-pr-releases:pr-release-10952-26d289a`