Update lean-toolchain for leanprover/lean4#8784

leanprover-community-mathlib4-bot · leanprover-community-mathlib4-bot · commit 7144e67b497d · 2025-06-23T21:42:21.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4-pr-releases:pr-release-8784-0d5a9cc
+leanprover/lean4-pr-releases:pr-release-8784-15482bc

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4-pr-releases:pr-release-8784-0d5a9cc`
	`1`	`+leanprover/lean4-pr-releases:pr-release-8784-15482bc`