chore: bump mathlib to 845af83: feat(NumberTheory/Height/NumberField): add lemma on "finite part" of mulHeight (#39127) (2026-06-01)

Author: mathlib-nightly-testing[bot]

lake-manifest.json

@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "d568c8c09630de097a046763c17b9ea99f95f950",
+   "rev": "845af83e08e842dee84b22bdea86a7b548af785a",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "d568c8c09630de097a046763c17b9ea99f95f950",
+   "inputRev": "845af83e08e842dee84b22bdea86a7b548af785a",
    "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 = "d568c8c09630de097a046763c17b9ea99f95f950"
+rev = "845af83e08e842dee84b22bdea86a7b548af785a"
 
 [[lean_lib]]
 name = "Cslib"