chore: bump toolchain to v4.21.0-rc3 (#229)

Author: Vierkantor

AesopTest/RulePattern.lean

@@ -23,8 +23,8 @@ example (m n : Nat) : (↑m : Int) < 0 ∧ (↑n : Int) > 0 := by
   set_option aesop.check.script false in
   aesop (config := { enableSimp := false, warnOnNonterminal := false })
   all_goals
-    guard_hyp fwd   : 0 ≤ (n : Int)
-    guard_hyp fwd_1 : 0 ≤ (m : Int)
+    guard_hyp fwd   : 0 ≤ (m : Int)
+    guard_hyp fwd_1 : 0 ≤ (n : Int)
     falso
 
 @[aesop safe forward (pattern := min x y)]
@@ -44,8 +44,8 @@ axiom triangle (a b : Int) : |a + b| ≤ |a| + |b|
 
 example : |a + b| ≤ |c + d| := by
   aesop!
-  guard_hyp fwd_1 : |a + b| ≤ |a| + |b|
-  guard_hyp fwd   : |c + d| ≤ |c| + |d|
+  guard_hyp fwd   : |a + b| ≤ |a| + |b|
+  guard_hyp fwd_1 : |c + d| ≤ |c| + |d|
   falso
 
 @[aesop safe apply (pattern := (0 : Nat))]

lake-manifest.json

@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "973f2658ea854c89067bc6be53339ba143c9bcef",
+   "rev": "08681ddeb7536a50dea8026c6693cb9b07f01717",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.21.0-rc2",
+   "inputRev": "v4.21.0-rc3",
    "inherited": false,
    "configFile": "lakefile.toml"}],
  "name": "aesop",

lakefile.toml

@@ -7,7 +7,7 @@ platformIndependent = true
 [[require]]
 name = "batteries"
 git = "https://github.com/leanprover-community/batteries"
-rev = "v4.21.0-rc2"
+rev = "v4.21.0-rc3"
 
 [[lean_lib]]
 name = "Aesop"

lean-toolchain

@@ -1 +1 @@
-leanprover/lean4:v4.21.0-rc2
+leanprover/lean4:v4.21.0-rc3