Update lean-toolchain for leanprover/lean4#13229

leanprover-community-mathlib4-bot · leanprover-community-mathlib4-bot · commit cc13c0bcc9f2 · 2026-04-02T13:54:01.000Z
diff --git a/Batteries/Data/String/Lemmas.lean b/Batteries/Data/String/Lemmas.lean
@@ -22,6 +22,8 @@ import all Init.Data.String.Legacy -- for unfolding `String.splitOnAux`
 
 @[expose] public section
 
+set_option linter.deprecated false
+
 namespace String
 
 -- TODO(kmill): add `@[ext]` attribute to `String.ext` in core.
diff --git a/lean-toolchain b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4-pr-releases:pr-release-13229-aa77588
+leanprover/lean4-pr-releases:pr-release-13229-04386e5

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-leanprover/lean4-pr-releases:pr-release-13229-aa77588`
	`1`	`+leanprover/lean4-pr-releases:pr-release-13229-04386e5`