Update lean-toolchain for testing leanprover/lean4#13895

leanprover-bot · leanprover-bot · commit 8c5cc5431fde · 2026-06-26T08:40:40.000Z
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2026-06-25
+leanprover/lean4-pr-releases:pr-release-13895-8922a8f

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4:nightly-2026-06-25`
	`1`	`+leanprover/lean4-pr-releases:pr-release-13895-8922a8f`