Update lean-toolchain for testing leanprover/lean4#13758

leanprover-bot · leanprover-bot · commit e2e688da7167 · 2026-05-16T17:18:25.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2026-05-14
+leanprover/lean4-pr-releases:pr-release-13758-15fbdf0

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4:nightly-2026-05-14`
	`1`	`+leanprover/lean4-pr-releases:pr-release-13758-15fbdf0`