chore: bump mathlib to 4efb9ea: feat(NumberTheory/ArithmeticFunction/Liouville): definition of the Liouville function (#38969) (2026-05-06)

Author: mathlib-nightly-testing[bot]

lake-manifest.json

@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "6cf3ab1c11e19e328c2e535bdd32d66dc7842fb5",
+   "rev": "4efb9eabf5d768770df3c6c6d396432b8bf0fb49",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "6cf3ab1c11e19e328c2e535bdd32d66dc7842fb5",
+   "inputRev": "4efb9eabf5d768770df3c6c6d396432b8bf0fb49",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/plausible",

lakefile.toml

@@ -18,7 +18,7 @@ weak.linter.unicodeLinter = false
 [[require]]
 name = "mathlib"
 scope = "leanprover-community"
-rev = "6cf3ab1c11e19e328c2e535bdd32d66dc7842fb5"
+rev = "4efb9eabf5d768770df3c6c6d396432b8bf0fb49"
 
 [[lean_lib]]
 name = "Cslib"