Update lean-toolchain for testing leanprover/lean4#6414

leanprover-community-mathlib4-bot · leanprover-community-mathlib4-bot · commit 2cacbe149d0d · 2024-12-19T00:58:31.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-12-15
+leanprover/lean4-pr-releases:pr-release-6414

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4:nightly-2024-12-15`
	`1`	`+leanprover/lean4-pr-releases:pr-release-6414`