chore: bump mathlib to 4bbb1a2: chore: use simp instead of norm_num where simp suffices (#43035) (2026-09-22)

Author: github-actions[bot]

lake-manifest.json

@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "065356127b1dc0016f66b7283ce0ce2c4055aa55",
+   "rev": "4bbb1a27c689eaceefd37f8f2d00fe862c9222d6",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.35.0-rc2",
+   "inputRev": "4bbb1a27c689eaceefd37f8f2d00fe862c9222d6",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover/verso",
@@ -45,7 +45,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "10930f8138f0462dbd744a91fc03a16fae0e046f",
+   "rev": "f8e94c24111148c9ad1b866212a6e1a0fabb5e76",
    "name": "importGraph",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -85,7 +85,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "ed9b316aabe389fec1ef43c3326ab48c7e59be42",
+   "rev": "167242e0621ba382fd6f7b2a7e932ce0811f9ab1",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",

lakefile.toml

@@ -17,7 +17,7 @@ rev = "v4.35.0-rc2"
 [[require]]
 name = "mathlib"
 scope = "leanprover-community"
-rev = "v4.35.0-rc2"
+rev = "4bbb1a27c689eaceefd37f8f2d00fe862c9222d6"
 
 [[lean_lib]]
 name = "LeanMachineLearning"