Update lean-toolchain for testing leanprover/lean4#12893

leanprover-bot · leanprover-bot · commit 01a6a0086499 · 2026-03-14T07:32:04.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2026-03-13
+leanprover/lean4-pr-releases:pr-release-12893-59f88e6

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4:nightly-2026-03-13`
	`1`	`+leanprover/lean4-pr-releases:pr-release-12893-59f88e6`