Update Batteries branch for testing leanprover-community/batteries#1700

Author: mathlib-nightly-testing[bot]

lake-manifest.json

@@ -65,10 +65,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "1ce519468d09ca00f3ec929de1bea800929255bd",
+   "rev": "388f6fe6a66e0695a5a303e7dd8eb7cbe9694aee",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "deprecate-String.containsSubstr",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover/lean4-cli",

lakefile.lean

@@ -6,7 +6,7 @@ open Lake DSL
 ## Mathlib dependencies on upstream projects
 -/
 
-require "leanprover-community" / "batteries" @ git "main"
+require "leanprover-community" / "batteries" from git "https://github.com/leanprover-community/batteries" @ "deprecate-String.containsSubstr"
 require "leanprover-community" / "Qq" @ git "master"
 require "leanprover-community" / "aesop" @ git "master"
 require "leanprover-community" / "proofwidgets" @ git "v0.0.89" -- ProofWidgets should always be pinned to a specific version